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By Jackie Wattles and Ashley Strickland, CNN (CNN) — Boeing’s Starliner capsule returned from the International Space Station Friday evening — concluding its nearly three-month stay in space. But it flew back to Earth with an empty cabin, leaving behind two test pilots who must now remain on the station for another five or six

By Ashley Strickland, CNN (CNN) — When scientists attached a tag to a pregnant porbeagle shark in October 2020 to learn more about the creature’s habitat, they didn’t expect their tracker to capture evidence of how large sharks hunt one another. But when the tracker registered some unexpected activity in March 2021, the scientists realized

By Laura Paddison, CNN (CNN) — Summer broke global heat records for the second straight year, scientists have confirmed — putting 2024 firmly on track to be the hottest year in recorded history. The period between June and August — summer in the Northern Hemisphere — was the world’s hottest such period since records began

By Ashley Strickland, CNN (CNN) — Jupiter’s moon Ganymede may have shifted on its axis when a massive asteroid smashed into it about 4 billion years ago, according to a new study. Ganymede, the largest moon in the solar system, is even bigger than Mercury and the dwarf planet Pluto. And past research has found

By Radina Gigova, CNN London (CNN) — A “remarkable” Pictish ring with “an intricate setting” was discovered in Scotland by an amateur archaeologist after being buried for more than 1,000 years. The “kite-shaped ring with a garnet or red glass center” was unearthed by a volunteer at the site of a fort in Burghead, in

By Monica Garrett and Steve Tuemmler, CNN (CNN) — A roughly 1-meter (3-foot) asteroid burned up in Earth’s atmosphere over the Philippines near Luzon Island early Wednesday afternoon, according to NASA. The European Space Agency estimated the impact occurred at 12:39 p.m. ET (4:39 p.m. UTC). The Catalina Sky Survey discovered the object, initially called

By Katie Hunt, CNN (CNN) — A wheeled bot rolls across the floor. A soft-bodied robotic star bends its five legs, moving with an awkward shuffle. Powered by conventional electricity via plug or battery, these simple robotic creations would be unremarkable, but what sets these two robots apart is that they are controlled by a

By Laura Paddison, CNN (CNN) — A team of NASA rocket scientists is developing autonomous underwater robots able to go where humans cannot, deep beneath Antarctica’s giant ice shelves. The robots’ task is to better understand how rapidly ice is melting — and how quickly that could cause catastrophic sea level rise. In March, scientists

CNN By Laura Paddison, CNN (CNN) — A team of NASA rocket scientists is developing autonomous underwater robots able to go where humans cannot, deep beneath Antarctica’s giant ice shelves. The robots’ task is to better understand how rapidly ice is melting — and how quickly that could cause catastrophic sea level rise. In March,

By Amarachi Orie, CNN (CNN) — In the years since the Titanic sank after hitting an iceberg in 1912, we have become familiar with haunting images of the doomed passenger liner’s bow, lying at the bottom of the North Atlantic Ocean. Now, new photos taken this summer show that the view has changed dramatically. The

By Rachel Ramirez, CNN (CNN) — The largest dam removal project in US history is finally complete, after crews last week demolished the last of the four dams on the Klamath River. It’s a significant win for tribal nations on the Oregon-California border who for decades have fought to restore the river back to its natural

By Katie Hunt, CNN (CNN) — What lies beneath the waves is among the planet’s biggest mysteries. About half of Earth’s surface remains unknown and unexplored. That’s because humans have mapped only a quarter of the seafloor, which covers around 70% of the planet, to a high resolution. But how do you find what you

By Ashley Strickland, CNN (CNN) — Rocky debris blasted away from the tiny asteroid Dimorphos when NASA’s DART spacecraft intentionally slammed into it in 2022 could create the first human-made meteor shower known as the Dimorphids, new study has found. The space agency planned the DART, or Double Asteroid Redirection Test, mission to carry out

By Jackie Wattles, CNN (CNN) — The world’s most frequently launched rocket — the SpaceX Falcon 9 — is cleared to fly again, federal regulators announced Friday evening, putting the vehicle back on track for two high-profile human spaceflight missions. The Federal Aviation Administration, which licenses commercial rocket launches, grounded SpaceX’s rocket on August 28,

By Lianne Kolirin, CNN (CNN) — Marmosets can communicate with one another by name and know when they are being addressed, joining a very short list of species exhibiting such behavior, and a first for non-human primates, a new study has found. The monkeys use specific calls, known as “phee-calls,” to call each other, which

By Ashley Strickland, CNN (CNN) — An ancient, submerged bridge in a cave on the Spanish island of Mallorca is helping researchers determine when humans first settled on islands across the western Mediterranean Sea thousands of years ago. A new analysis of the 25-foot-long (7.6-meter-long) bridge inside Genovesa Cave has revealed that humans lived on

By Jackie Wattles, CNN (CNN) — After 12 weeks in space, Boeing’s Starliner spacecraft is finally set to return home from the International Space Station on September 6 — albeit without its two-person crew. The troubled spacecraft will undock from the orbiting laboratory around 6 p.m. ET, and it will spend about six hours maneuvering

By Katie Hunt, CNN (CNN) — A rare fossil has provided a snapshot of what was an exceptionally unlucky day for a prehistoric sea cow. The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about 15 million years ago when it was preyed upon by two animals: a crocodile and a

CNN By Laura Paddison, CNN (CNN) — Namibia is planning to kill more than 700 wild animals, including elephants, zebras and hippos, and distribute the meat to the people struggling with food insecurity as the country grapples with its worst drought in 100 years. The animals set to be culled include 83 elephants, 30 hippos,

By Jackie Wattles, CNN (CNN) — SpaceX’s prolific Falcon 9 rocket has been grounded for the second time in two months after federal regulators said they wanted to review a wayward landing attempt that occurred Wednesday morning. That makes the Falcon 9 rocket unable to fly with two key human spaceflight missions on the horizon.

By Katie Hunt, CNN (CNN) — Imagine four skyscrapers the height of Burj Khalifa, the world’s tallest building, stacked on top of one another. That’s almost the height of an underwater mountain newly discovered and mapped by oceanographers led by the Schmidt Ocean Institute in California. Located in the Pacific Ocean 900 miles (1,448 kilometers)

By Laura Paddison, CNN (CNN) — Namibia is planning to kill more than 700 wild animals, including elephants, zebras and hippos, and distribute the meat to the people struggling with food insecurity as the country grapples with its worst drought in 100 years. The animals set to be culled include 83 elephants, 30 hippos, 60

By Jackie Wattles, CNN (CNN) — SpaceX has once again delayed the kickoff of its latest mission: a bold and risky trek into Earth’s Van Allen radiation belts by a four-person crew of civilians who will also aim to conduct the first commercial spacewalk. The mission, dubbed Polaris Dawn, was set to take off as

By Ashley Strickland, CNN (CNN) — Astronomers have spotted six rogue worlds, or cosmic objects that don’t orbit stars, using the James Webb Space Telescope. The celestial bodies are slightly bigger than Jupiter, and the observations are shedding light on how stars and planets form across the universe. The Webb telescope peered into a star-forming

By Laura Paddison, CNN (CNN) — Tap water in parts of a Spanish tourist hot spot is now so salty it’s become undrinkable, with residents and visitors having to line up for bottled or tanked-in drinking water as the region struggles with severe and prolonged drought. Several towns on the Costa Blanca — a more

By Helen Regan, CNN (CNN) — A “worldwide catastrophe” is imperiling Pacific Islands and the world must respond to the unprecedented and devastating impacts of rising seas “before it is too late,” the United Nations chief has warned. UN Secretary-General Antonio Guterres issued a global SOS – “Save Our Seas” – from the Pacific Island

CNN By Jackie Wattles, CNN (CNN) — SpaceX’s latest attempt to push the cosmic boundaries is set to kick off this week with a mission called Polaris Dawn: a nail-biting, five-day trek to orbit with a crew of private astronauts traveling into Earth’s radiation belts and hoping to conduct the first commercial spacewalk. The mission is

By Jackie Wattles, CNN (CNN) — SpaceX’s latest attempt to push the cosmic boundaries is set to kick off this week with a mission called Polaris Dawn: a nail-biting, five-day trek to orbit with a crew of private astronauts traveling into Earth’s radiation belts and hoping to conduct the first commercial spacewalk. The mission is slated

By Billy Stockwell, CNN (CNN) — Spending time outside during a heat wave can be sweaty, uncomfortable, even health-endangering, but scientists have come up with an innovation they say could provide relief: clothes that physically cool down the body. Researchers at the University of Massachusetts Amherst have developed a flexible, chalk-based coating which can be

By Ashley Strickland, CNN (CNN) — When astronauts conduct spacewalks to perform maintenance outside of the International Space Station, the view can be distracting. The sun gleams and Earth emits a glow from 220 miles (354 kilometers) away in the surrounding darkness. “The only thing between you and the rest of the universe, seeing the

CNN By Jackie Wattles, CNN (CNN) — A SpaceX Crew Dragon capsule will bring home two NASA astronauts who have remained on board the International Space Station for about 80 days because of issues plaguing the Boeing Starliner spacecraft — marking a stunning turn of events for the beleaguered aerospace giant. The news comes after

By Ashley Strickland, CNN (CNN) — The Perseverance rover has begun a long climb up the steep rim of Jezero Crater on a quest to discover some of the most ancient rocks on Mars — and the potential for environments that may have once hosted life on the red planet. Landing in Jezero Crater 3

By Jackie Wattles, CNN (CNN) — A SpaceX Crew Dragon capsule will bring home two NASA astronauts who have remained on board the International Space Station for about 80 days because of issues plaguing the Boeing Starliner spacecraft — marking a stunning turn of events for the beleaguered aerospace giant. The news comes after the

By Taylor Nicioli, CNN (CNN) — Under the feet of millions of New Yorkers, a species of ant — originally not found anywhere else in North America — has been thriving in the concrete jungle for more than a decade, surprising scientists with its unique aptitude to flourish in Manhattan and the city’s other boroughs.

By Mindy Weisberger, CNN (CNN) — An investigation of human remains from the 17th century British settlement in Jamestown, Virginia, has unearthed a long-hidden scandal in the family of the colony’s first governor. Thomas West became Jamestown’s leader in 1610; he was joined there by three of his brothers and several other male relatives. Recently,

By Amy Gunia, CNN Hong Kong (CNN) — In between the speedboats, luxury yachts, and wooden fishing boats moored in a Hong Kong marina, a different kind of vessel maneuvers. It looks unassuming, but as the three-meter-long (10-foot-long) uncrewed catamaran moves deftly through the water, it consumes waste floating on the surface in a Pac-Man-like

By Laura Paddison and Ella Nilsen, CNN (CNN) — As the need for effective global climate action becomes ever more urgent, a “first-of-its-kind” analysis has identified policies around the world that have done the most to rein in planet-heating pollution — with some surprising results. Researchers from several European climate institutions analyzed the effectiveness of 1,500

By Laura Paddison, CNN (CNN) — The storm that sank the “Bayesian,” a luxury yacht anchored off the Sicily coast, was sudden, violent and deadly — and scientists say it may be a warning of what’s to come as global warming fuels more extreme weather in the Mediterranean. The superyacht, which was carrying 22 people,

By Ashley Strickland, CNN (CNN) — An object spotted with help of citizen scientists was moving so fast through the Milky Way that it could escape the gravity of the galaxy and reach intergalactic space, new research has found. Likely a faint red star, the object zoomed along at a speed of about 1.3 million

By Taylor Nicioli, CNN (CNN) — Seven fluffy white Chilean flamingo chicks are on display at a zoo in southwest England for the first time since 2018 — and one is particularly notable for the way it made its entrance. Two male flamingos named Arthur and Curtis successfully hatched an egg together — a first

By Issy Ronald, CNN (CNN) — About 20% of Sweden’s brown bear population could be killed this hunting season after licenses were issued for 486 of the animals to culled, despite an outcry from conservation groups. There’s currently an estimated 2,450 brown bears roaming the Swedish countryside, a number that has decreased in recent years

By Katie Hunt, CNN (CNN) — In the paddy fields and around the ponds of central China, a common species of orb-weaving spider builds new webs every evening at sunset, allowing it to entrap fireflies that begin to flash, flicker and glow around the same time. Not content to rely on pure happenstance, the spider, Araneus

By Rachel Ramirez, CNN (CNN) — Fishermen and scientists were alarmed when billions of crabs vanished from the Bering Sea near Alaska in 2022. It wasn’t overfishing, scientists explained — it was likely the shockingly warm water that sent the crabs’ metabolism into overdrive and starved them to death. But their horrific demise appears to

By Amarachi Orie, CNN (CNN) — Two long-horned bees balancing on a flower, a fossilized dinosaur bone viewed through a microscope and a scientist giving a bird drops of medicine were all captured in stunning photographs that formed part of the 2024 BMC Ecology and Evolution and BMC Zoology Image Competition. The overall winner, however,

By Ashley Strickland, CNN (CNN) — The European Space Agency’s Juice mission made two historic firsts this week on its long journey to study the potential habitability of Jupiter’s icy moons. The Juice, or Jupiter Icy Moons Explorer, spacecraft — launched in April 2023 — conducted the first flyby of the moon and Earth in

By Jackie Wattles, CNN (CNN) — When billionaire Jared Isaacman self-funded a mission to orbit Earth in 2021, the project was billed as a childhood cancer fundraiser — and made for an eye-popping entrance into the private space tourism world. The four-person crew of people from various backgrounds with no prior spaceflight experience spent three

By Riane Lumer, CNN (CNN) — August continues to be an exciting month for sky-gazers. Closely following the peak of the Perseid meteor shower last week, the first of the year’s four consecutive supermoons is set to rise on August 19. The rare cosmic combination of a supermoon and blue moon peaks at 2:26 p.m.

By Ella Nilsen and Nimi Princewill, CNN (CNN) — Long lines have been forming at gas stations in Ethiopia’s capital, Addis Ababa, amid fuel shortages and a price spike in recent months. But electric vehicle driver Mikial Belayneh avoids them completely. “I no longer line up for petrol on the road,” Belayneh, an Addis resident,

By Ashley Strickland, CNN (CNN) — When archaeologists sift through layers of dirt to tell stories of the past, sometimes their discoveries capture stirring traces of humanity. Continuing excavations within the ancient city of Pompeii have revealed the remains of a man and a woman within a small bedroom buried by ash and volcanic glass

By Taylor Nicioli, CNN (CNN) — Amateur fossil hunter Eddie Templeton usually knows when he’s onto something. Having scoured creek banks in Mississippi since he was a kid, Templeton’s made several stunning extinct mammal finds, including a mastodon mandible, numerous bones from a giant armadillo-relative, and even a Saber-toothed cat’s foot bone. But his latest discovery

By Ashley Strickland, CNN (CNN) — Archaeologists have uncovered a tiny 3,500-year-old tablet inscribed with cuneiform writing during excavations at a site in Turkey that could shed light on what life was like during the Late Bronze Age. Cuneiform, one of the oldest forms of writing, was used across the ancient Middle East.Cuneiform recorded Sumerian,

By Kate Golembiewski, CNN (CNN) — Sixty-six million years ago, the story of life on Earth took a dramatic turn when an asteroid collided with what’s now the Yucatán Peninsula in Chicxulub, Mexico. The aftereffects of the collision resulted in the extinction of an estimated 75% of animal species, including most dinosaurs except for birds.

By Ella Nilsen and Rachel Wilson, CNN (CNN) — Two years after President Joe Biden’s landmark climate law was signed, millions of Americans have used it to save millions of dollars on solar panels, appliances and home insulation. Inflation Reduction Act tax credits for residential energy upgrades are going gangbusters, recent Treasury Department data shows, with

By Laura Paddison, CNN (CNN) — Greece’s worst wildfire of the year has ripped through the Attica region toward the capital Athens at lightning speed, tracking a devastating course that killed a woman, torched thousands of hectares of land and forced people to flee their homes. The fire, which started Sunday near the town of

By Taylor Nicioli, CNN (CNN) — For months, a gargantuan iceberg has been slowly spinning in one spot in the Southern Ocean — and it could continue to stay trapped in this vortex for quite some time, experts say. As the world’s largest iceberg, the colossus A23a is of great interest to scientists, who have closely

By Jackie Wattles, Kristin Fisher and Ross Levitt, CNN (CNN) — Two NASA astronauts who have had their mission to the International Space Station repeatedly extended due to problems with the Boeing Starliner spacecraft will need to wait at least another week before they learn how and when they are returning to Earth. At a

By Ashley Strickland, CNN (CNN) — Stonehenge’s Altar Stone, which lies at the heart of the ancient monument in southern England, was likely transported over 435 miles (700 kilometers) from what’s now northeastern Scotland nearly 5,000 years ago, according to new research. The findings of a new study, published Wednesday in the journal Nature, overturn

By Jacopo Prisco, CNN (CNN) — For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from China and Japan recorded it as a “guest star.” Chinese astronomers used this term to

By Amy O’Kruk and Angela Dewan, CNN (CNN) — No, it’s not your imagination — summers in the US really are getting hotter. And longer. Human-caused climate change is turbocharging heat all over the country, but it’s most intense in cities, where more than 260 million Americans live. That’s because buildings, roads and sidewalks radiate

By Ashley Strickland, CNN (CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research. A team of scientists estimates that there may be enough water, trapped in tiny cracks and pores of rock in the middle of the

By Taylor Nicioli, CNN (CNN) — Spiders have a reputation for giving some humans a fright, but a team of scientists has flipped the script to learn why one increasingly visible species seems to have an edge on handling stress. Jorō spiders — which have been spreading across the southeastern United States since their first appearance in

By Barbie Latza Nadeau, CNN Rome (CNN) — The skeletal remains of a man and a woman have been unearthed in Pompeii, along with a cache of coins and precious jewelry, archaeologists say. The discovery is part of a dig in Region IX of the buried city that has uncovered a plethora of ancient buildings

CNN By Amy Gunia and Alkira Reinfrank, CNN (CNN) — Some 400 kilometers (250 miles) from the nearest sea, engineering students at Switzerland’s ETH Zurich are hard at work on cutting-edge robots that may change the way the world’s oceans are studied. “Eve” the robotic fish swings its silicone tail side to side, powered by

By Amy Gunia and Alkira Reinfrank, CNN (CNN) — Some 400 kilometers (250 miles) from the nearest sea, engineering students at Switzerland’s ETH Zurich are hard at work on cutting-edge robots that may change the way the world’s oceans are studied. “Eve” the robotic fish swings its silicone tail side to side, powered by pumps

By Riane Lumer, CNN (CNN) — It’s that time of summer to watch the most anticipated meteor shower of the year: the dazzling display known as the Perseids. Streams of light and color will travel across the sky while explosions of fireballs linger, leaving behind even brighter streaks than the meteor trails from the Perseids

By Lou Robinson and Angela Dewan, CNN (CNN) — The Paris Olympics opened with rain on its parade, then blistering heat and, finally, a week of pleasant sunshine. As it comes to a close on Sunday, temperatures are expected to again soar up to 95 degrees Fahrenheit, or 35 degrees Celsius. The only certainty about

By Alaa Elassar, CNN South Island, New Zealand (CNN) — Justin Parkin-Rae takes a break from pulling chunks of weeds from around one of the many rivers that snake through Kaikōura, a quaint fishing town on the east coast of New Zealand’s South Island, named Te Waipounamu in his native Māori language. His jade necklace and red hair

By Ashley Strickland, CNN (CNN) — The human story became a bit more complicated about two decades ago. In 2003, archaeologists excavating inside Liang Bua, a cave on the Indonesian island of Flores, found a tiny humanlike skull. More bones followed, and at first, archaeologist Thomas Sutikna and his team thought they had uncovered the

By Ashley Strickland, CNN (CNN) — Excavations and metal-detecting work at the site of a famous ship burial in Suffolk, England, have revealed missing pieces that could help archaeologists better understand an intriguing but incomplete sixth century artifact. A team of archaeologists, volunteers and conservators unearthed additional fragments of a Byzantine bucket at Sutton Hoo,

By Ashley Strickland, CNN (CNN) — One of China’s Long March 6A rockets has broken apart in low-Earth orbit and created a debris cloud consisting of hundreds of pieces, according to multiple space debris-tracking entities. The rocket launched from the Taiyuan Satellite Launch Center on Tuesday to deliver 18 G60 satellites into orbit, which marks

By Jackie Wattles, CNN (CNN) — When astronauts Suni Williams and Butch Wilmore left Earth for International Space Station nearly three months ago, they ditched their bags for a key piece of equipment. Helming the inaugural crewed flight test of Boeing’s Starliner spacecraft, they departed without their own toiletries and other personal comforts — expecting

By Kara Fox, CNN (CNN) — A coating 100 times thinner than a human hair could be “ink-jetted” onto your backpack, cell phone or car roof to harness the sun’s energy, new research shows, in a development that could reduce the world’s need for solar farms that take up huge swaths of land. Scientists from

By Taylor Nicioli, CNN (CNN) — The ongoing excavation of an ancient Greek city in western Turkey has uncovered artifacts and archaeological remains dating as far back as the fifth century BC — including a pot filled with an undisclosed number of valuable gold coins that was hidden away for more than 2,000 years. Researchers

CNN By Alexandra Banner, CNN (CNN) — Government officials often send text messages as an effective means of warning the public about emergencies. But in New York City, some residents are receiving weather warnings from a voice in the sky as drones equipped with loudspeakers are being deployed to specific neighborhoods prone to flooding. Here’s

By Jackie Wattles, CNN (CNN) — Butch Wilmore and Suni Williams — two veteran NASA astronauts piloting the first crewed test flight of Boeing’s Starliner spacecraft — have now been in space for 63 days, roughly seven weeks longer than initially expected. There is still no clear return date in sight, and NASA is now making

By Jack Guy, CNN (CNN) — Scientists studying squaretail grouper have found that the increasing presence of fishermen in the water is changing their behavior from flirty to flighty. A team led by scientists at Lancaster University in the UK found that the fish are becoming more scared of humans and spending less time on

By Jackie Wattles and Kristin Fisher, CNN (CNN) — The launch of SpaceX’s Crew-9 mission, an endeavor planned to ferry four astronauts to the International Space Station — which could also serve as a backup vehicle for the crew assigned to Boeing’s troubled Starliner spacecraft — will be delayed, NASA announced Tuesday. The space agency

By Katie Hunt, CNN (CNN) — A hobbit-size species of ancient human that lived on the Indonesian island of Flores until about 50,000 years ago baffles scientists in several ways. First unearthed in a startling discovery nearly 21 years ago, Homo floresiensis, the scientific name for the extinct species, challenged the idea that human evolution

By Jessie Yeung, CNN Hong Kong (CNN) — As Chinese scientists analyzed the soil samples that their lunar probe brought back from the moon, they realized something groundbreaking: There was water found along with minerals in the soil. Finding water on the moon is, on its own, nothing new. NASA and Indian spacecraft have spotted

By Taylor Nicioli, CNN (CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the table — a hydraulic lift device that would have floated the heavy stones up through the

By Jack Guy, CNN (CNN) — A group of scientists has devised a plan to safeguard Earth’s species in a cryogenic biorepository on the moon. Intended to save species in the event of a disaster on Earth, the plan makes use of craters that are permanently in shadow and therefore cold enough to allow cryogenic

By Jackie Wattles, CNN (CNN) — A half-billion-dollar rover that could be crucial to US lunar ambitions sits fully assembled but in a state of limbo, mere steps away from being ready for launch. Known as the Volatiles Investigating Polar Exploration Rover, or VIPER, the 948-pound (430-kilogram) vehicle is designed to scour the moon’s south

By Mary Gilbert, CNN Meteorologist (CNN) — A record-breaking heat wave unfolding at what should be the coldest time in Earth’s coldest place has scientists concerned about what it could mean for the future health of the Antarctic continent, and the consequences it could inflict for millions of people across the globe. Temperatures since mid-July have climbed

By Katie Hunt, CNN (CNN) — Ancient Egypt’s pyramids, pharaohs and artifacts delight the imagination, reigniting wonder of the distant past in every generation. Today, archaeologists are still making captivating discoveries in the Nile Valley. An expedition in Damietta, Egypt, recently unearthed 63 tombs from more than 2,500 years ago, alongside a trove of coins,

By Taylor Nicioli, CNN (CNN) — An ongoing excavation in Damietta, Egypt, has uncovered 63 tombs from more than 2,500 years ago, alongside a trove of gold artifacts, coins and pottery. The artifacts could provide further insight into the “secrets of the ancient Egyptian civilization,” including the burial practices of the time, as well as

By Angela Dewan and Angela Fritz, CNN (CNN) — A vital system of Atlantic Ocean currents that influences weather across the world could collapse as soon as the late 2030s, scientists have suggested in a new study — a planetary-scale disaster that would transform weather and climate. Several studies in recent years have suggested the

By Laura Paddison, CNN (CNN) — When Adelaide Saywell posted on TikTok last month that SSRIs, a commonly prescribed antidepressant medication, could make people more vulnerable to heat, it went viral and sparked a deluge of comments. “Wait seriously??? I just started taking it a month ago and am so hot all the time,” said

By Ashley Strickland, CNN (CNN) — Each day, radio signals from key communications and navigation satellites travel freely through a layer of Earth’s atmosphere known as the ionosphere. Floating 50 to 400 miles (80 to 643 kilometers) above our heads, directly beneath the lowest reaches of space where some communications satellites orbit, this zone in

By Katie Hunt, CNN (CNN) — With her mouth wide open, locked for eternity in what appears to be a scream, an ancient Egyptian woman captured the imagination of archaeologists who discovered her mummified remains in 1935 in a tomb near Luxor. Still fascinated by the “screaming woman” who died some 3,500 years ago, a

By Taylor Nicioli, CNN (CNN) — Other than being a symbol for love and romance, roses are commonly known for their sharp spikes — prickles that protrude from the stems to ward off animals looking to munch on the buds. They’re not the only plant to have this defense mechanism: Other flowers such as spider flowers or brambles,

By Jacopo Prisco, CNN (CNN) — A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system’s smallest planet and the closest to the sun, according to new research. The diamonds might have formed soon after Mercury itself coalesced into a planet about 4.5

By Bill Weir, CNN Chief Climate Correspondent (CNN) — On some parts of an overheating Earth, the old complaint that “it’s not the heat, it’s the humidity” gets truer by the year. But in the hottest big city in the US, where sunbaked concrete sprawls across bone-dry desert, Phoenix is setting records in both high

By Katie Hunt, CNN (CNN) — The 2010 discovery that early humans and Neanderthals once interbred was a scientific bombshell — the revelation of a genetic legacy that’s since been found to play a role in the lives of modern people, influencing circadian rhythms, immune system function and the way some feel pain. Scientists, however,

By Mindy Weisberger, CNN (CNN) — An ancient buglike sea creature with a fan-shaped tail and a carapace that wrapped around its body swam upside down and looked like a taco — but this taco could bite back. Newfound fossils of the extinct arthropod Odaraia alata recently provided scientists with a first glimpse of Odaraia’s

By Katie Hunt and Ashley Strickland, CNN (CNN) — The northern lights could grace skies farther south than usual this week because of a solar storm that may affect Earth, according to the US National Oceanic and Atmospheric Administration’s Space Weather Prediction Center. The center issued a strong geomagnetic storm watch, known as a G3

By Taylor Nicioli, CNN (CNN) — Look up at the night sky this week for a chance to see high-speed meteors and bright fireballs from two meteor showers set to peak around the same time. The Southern Delta Aquariids will be most active Monday night through early Tuesday and could ring in a viewing of

By Jacopo Prisco, CNN (CNN) — Four years ago, the unexpected discovery in the clouds of Venus of a gas that on Earth signifies life — phosphine — faced controversy, earning rebukes in subsequent observations that failed to match its findings. Now, the same team behind that discovery has come back with more observations, presented

By Laura Paddison, Jen Christensen, Mary Gilbert, Henry Zeris, Yukari Schrickel, Lou Robinson and Way Mullery (CNN) — Philip Kreycik should have survived his run. In the summer of 2021, the 37-year-old ultra-marathon runner used an app to plot a roughly 8-mile loop through Pleasanton Ridge Regional Park in California, a huge stretch of parkland

By Ashley Strickland, CNN (CNN) — Experimentation is the basis of the scientific process — and it’s at the heart of what it means to be human and question the world around us. Thousands of years ago, our ancestors produced the first maps of the stars and practiced alchemy, the precursor to chemistry. Even Sir Isaac Newton,