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By Ashley Strickland, CNN (CNN) — While Danish astronomer Tycho Brahe is best known for his celestial discoveries made in the 16th century — before the invention of the telescope — he was also an alchemist who brewed secret medicines for elite clients. But what exactly Brahe worked on in his alchemical laboratory, located beneath

By Rebecca Cairns, CNN (CNN) — As Global Tiger Day rolls around, there’s good news for the big cats in Thailand. The tiger population in the country’s Western Forest Complex (WEFCOM) — an 18,000-square-kilometer (6,950-square-mile) area of forest encompassing 11 national parks and six wildlife sanctuaries — is estimated to have more than tripled between

By Ashley Strickland, CNN (CNN) — The NASA Perseverance rover may have found a pivotal clue that’s central to its mission on Mars: geological evidence that could suggest life existed on the red planet billions of years ago. The robotic explorer came across a vein-filled red rock on July 18 that appears to be scattered

By Jackie Wattles, CNN (CNN) — SpaceX’s Falcon 9 rocket — the most prolific launch vehicle in the world — is ready to return to flight after suffering a mission-ending failure during a routine journey earlier this month. The Federal Aviation Administration, which licenses commercial rocket launches and assesses mishaps, said Thursday that it had determined there

CNN By Jackie Wattles, CNN (CNN) — After weeks of troubleshooting and recent tests meant to replicate the issues plaguing Boeing’s Starliner spacecraft, NASA and Boeing officials still aren’t ready to name a return date for the two astronauts piloting the vehicle on its inaugural crewed test flight. But engineers do finally have some possible

By Jackie Wattles, CNN (CNN) — After weeks of troubleshooting and recent tests meant to replicate the issues plaguing Boeing’s Starliner spacecraft, NASA and Boeing officials still aren’t ready to name a return date for the two astronauts piloting the vehicle on its inaugural crewed test flight. But engineers do finally have some possible answers

By Issy Ronald, CNN (CNN) — Blushing was once thought to be the “most peculiar and most human of all expressions,” as Charles Darwin put it, but a new study has found that hens share this peculiarity and can also express their fear or excitement in this way. “Our research shows that domestic chickens are

By Ashley Strickland, CNN (CNN) — A glowing supernova remnant, a nebula shaped like a cat’s paw and the iconic “Pillars of Creation” are just a few of the celestial objects that shine in 25 never-before-seen images captured by NASA’s Chandra X-ray Observatory to mark the telescope’s 25th anniversary. Chandra, named in honor of the

By Ella Nilsen, CNN (CNN) — Environmental Protection Agency administrator Michael Regan is bullish on his agency’s prospects against the harshest headwinds in its history, as Republicans, anti-climate industry and an ultra-conservative Supreme Court take aim at its core mission. “I feel extremely confident in the product we put out,” Regan told CNN in an

By Jack Guy, CNN London (CNN) — Komodo dragons, the world’s largest species of lizard, have iron-tipped teeth that help them to rip their prey apart, according to new research. The metal is concentrated in the cutting edge and tips of their curved, serrated teeth, staining them orange, scientists wrote in a paper published Wednesday

By Jackie Wattles, CNN (CNN) — Rare footage captured by a camera strapped to the back of an endangered shark shows the jarring moment it was struck by a boat — prompting the animal to dash into deep waters and rest for hours. It’s not clear whether the massive 23-foot (7-meter) animal, known as a

By Ella Nilsen, CNN (CNN) — As Vice President Kamala Harris marches toward the Democratic nomination, climate advocates like what they see. Even before he’s finished his term, President Joe Biden made his stamp as the most pro-climate president in history. And Harris is an exciting climate candidate in her own right, multiple advocates told

By Angela Fritz, CNN (CNN) — Sunday was the hottest day in recorded history, according to preliminary data from a climate tracking agency monitoring temperatures since the mid-1900s. It’s the second consecutive year average global temperatures have crashed through shocking climate records and will not be the last, as planet-warming fossil fuel pollution drives temperatures

By Jack Guy, CNN (CNN) — Sharks living off the coast of Brazil have tested positive for cocaine, according to new research, the first time that the drug has been detected in free-ranging sharks. Scientists tested 13 Brazilian sharpnose sharks in the waters off the city of Rio de Janeiro and found cocaine present in

By Laura Paddison and Chris Liakos, CNN (CNN) — The Greek Islands, known for their idyllic towns, rugged landscapes and sun-baked beaches, are in the grip of a serious crisis. Many are running alarmingly low on water — a problem set to get worse as the tourist season hits full flow and hot dry weather

By Katie Hunt, CNN (CNN) — A mysterious phenomenon first observed in 2013 aboard a vessel in a remote part of the Pacific Ocean appeared so preposterous, it convinced ocean scientist Andrew Sweetman that his monitoring equipment was faulty. Sensor readings seemed to show that oxygen was being made on the seabed 4,000 meters (about

By Ella Nilsen, CNN (CNN) — The massive offshore wind turbine blade that broke and spread fiberglass and foam debris across Nantucket beaches this week was one of several recent failures of blades made by GE Vernova – a top US wind turbine manufacturer. Several GE Vernova blades have broken on onshore and offshore turbines

By Ashley Strickland, CNN (CNN) — As the full moon shines in the night sky this weekend, take a moment to revel in its beauty and search for a large, dark plain. The surface feature is Mare Tranquillitatis, or the Sea of Tranquility, where the Apollo 11 mission landed on the afternoon of July 20,

By Ashley Strickland, CNN (CNN) — The Curiosity rover has made its most unusual find to date on Mars: rocks made of pure sulfur. And it all began when the 1-ton rover happened to drive over a rock and crack it open, revealing yellowish-green crystals never spotted before on the red planet. “I think it’s

By Taylor Nicioli, CNN (CNN) — July’s full moon will shine bright in the sky this weekend — and lands near the anniversary of a special lunar event worth celebrating. The full moon — nicknamed the buck moon — will peak at 6:17 a.m. ET Sunday, according to The Old Farmer’s Almanac. It’s called the buck

By Ella Nilsen, CNN (CNN) — Debris from a broken offshore wind turbine has for days been washing up on the Nantucket shore, prompting beach closures and frustrating locals at the peak of the summer season. The massive turbine blade – as long as a football field – was part of the Vineyard Wind farm

By Sharon Braithwaite and Sophie Tanno, CNN (CNN) — Five activists of the Just Stop Oil environmental campaign have been handed prison sentences for their involvement in organizing protests that blocked a major London highway in 2022, PA media reported, sparking a wave of criticism from climate advocates. ‘Just Stop Oil’ co-founder Roger Hallam, 58,

By Jack Guy, CNN (CNN) — Hopes have been raised for the future of a critically endangered species of crocodile after 60 eggs hatched in the wild – the largest recorded breeding event for the species this century. The Siamese crocodiles successfully hatched in five different nests in the Cardamom National Park in Cambodia, according

By Catherine Nicholls, CNN (CNN) — A Stegosaurus skeleton has become the most valuable fossil ever sold at auction, being snapped up for $44.6 million in New York. The dinosaur fossil was sold on Wednesday to an anonymous buyer after it was sought after by seven bidders, according to Sotheby’s, the auction house handling the

By Taylor Nicioli, CNN (CNN) — A meteor bright enough to be spotted in broad daylight streaked across the sky on Tuesday morning, catching the attention of several East Coasters who documented their sightings. The fireball, defined as a meteor brighter than the planet Venus, is estimated to have soared over New York City before traversing

By Ashley Strickland, CNN (CNN) — Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be transitioning into another type of world. The exoplanet, named TIC 241249530 b, orbits a star about 1,100 light-years from Earth. The star is one of a binary pair, so

By Katie Hunt, CNN (CNN) — More than 20,000 years ago in what’s now Argentina, some of the earliest people in the Americas encountered and butchered a giant armadillo-like creature with stone tools, according to a new study. The discovery, inferred from cut marks on the ice age creature’s fossilized remains, is significant because it

By Ella Nilsen, CNN (CNN) — The federal judge who approved the controversial Willow oil project last year tossed a separate Alaska offshore drilling project in a decision Tuesday night. It’s a notable win for environmental groups challenging the three offshore drilling lease sales mandated by the Inflation Reduction Act – a compromise written into

By Jack Guy, CNN (CNN) — A new live-streaming webcam allows viewers to see inside a so-called “mega-den” – home to hundreds of rattlesnakes. The live stream, which is available to view on RattleCam.org, is run by researchers from California Polytechnic State University, according to a statement from the university, published Monday. Situated in an

By Jack Guy, CNN (CNN) — Archaeologists working in southern Italy have identified a Roman fortification built to contain the slave revolt leader Spartacus and his army. Researchers have concluded that the wall, which extends over 2.7 kilometers (1.7 miles), was built by the Roman general Marcus Licinius Crassus in 71 BCE. Spartacus served in

By Taylor Nicioli, CNN (CNN) — Scientists have long theorized the existence of lunar caves — underground passageways formed through volcanic processes that are connected to the pits covering the moon’s surface. Now, a team of international researchers has found the first direct evidence that the moon’s deepest known pit connects to a cave that could

By Amy Gunia, CNN (CNN) — As a child in Ivory Coast, West Africa, Tidiane Ouattara would gather with friends in his village to stargaze. The group, who dubbed themselves “the Moon Club,” would lay on the ground, looking up at the cosmos. “We believed we could talk to the moon,” he told CNN in

CNN By Lex Harvey, CNN (CNN) — Canadian rapper Drake shared a video of him wading through what appears to be his waterlogged Toronto mansion Tuesday, after the city was hit by a torrential rainstorm that caused widespread flooding and power outages. “This better be Espresso Martini,” Drake joked on Instagram alongside a video of

By Lex Harvey, CNN (CNN) — Canadian rapper Drake shared a video of him wading through what appears to be his waterlogged Toronto mansion Tuesday, after the city was hit by a torrential rainstorm that caused widespread flooding and power outages. “This better be Espresso Martini,” Drake joked on Instagram alongside a video of murky

By Leah Asmelash, CNN (CNN) — How long does it take to reach Venus? For Missy Elliott’s “The Rain (Supa Dupa Fly),” it took nearly 14 minutes to travel all the way to the planet of love, a distance of about 158 million miles, NASA announced Monday. The agency transmitted the song to the planet

By Isaac Yee, CNN (CNN) — It’s a creature of the deep so rare that there’s never been a recorded live sighting, and since the 1800s only six samples have ever been documented. Now, experts in New Zealand are scrambling to confirm whether a 5-meter (16-foot) carcass that recently washed ashore on the country’s South

By Laura Paddison, CNN (CNN) — The impacts of human-caused climate change are so overwhelming they’re actually messing with time, according to new research. Polar ice melt caused by global warming is changing the speed of Earth’s rotation and increasing the length of each day, in a trend set to accelerate over this century as

By Taylor Nicioli, CNN (CNN) — During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and crush shelled creatures. However, since the sharks’ presence in the fossil record has mostly consisted

By Rachel Ramirez, CNN (CNN) — A unique plant has become the first species in the United States to be exterminated from the wild by the compounding effects of rising seas, scientists say. It’s a grim first, but not last, as the scientists fear the demise of the plant is a “bellwether” for other species

By Amarachi Orie, CNN (CNN) — A marvel of the “Dune” sci-fi film franchise is the survival outfit worn by the desert-dwelling Fremen — “stillsuits” that recycle all bodily fluids into potable water. Now, such technology appears to be on the horizon, with scientists unveiling a prototype spacesuit system that turns urine into drinking water.

By Ashley Strickland, CNN (CNN) — The James Webb Space Telescope has captured a stunning new view of two galaxies, nicknamed the Penguin and the Egg, locked in a cosmic dance to mark the observatory’s second anniversary. Launched on December 25, 2021, the Webb telescope shared its first science observations of the universe on July

By Ella Nilsen, CNN (CNN) — Keeping the power on can be the difference between life and death, a scenario bearing out this week in Houston as temperatures spike while hundreds of thousands of people suffer through brutal heat without air conditioning. The city was struck by massive back-to-back storms: A powerful derecho in May

By Ashley Strickland, CNN (CNN) — Writings on an ancient clay tablet have allowed experts to reconstruct a Bronze Age ship made of reeds and sail it on a maiden voyage off the coast of Abu Dhabi, United Arab Emirates. The vessel, known as a Magan boat, spans 59 feet (18 meters) in length and

By Jackie Wattles, CNN (CNN) — SpaceX’s stalwart Falcon 9 rocket, which powers satellite launches as well as trips to orbit for astronauts, experienced a rare and troubling failure Thursday night as it attempted to haul a batch of internet satellites to orbit. The ordeal has prompted federal regulators to ground the rocket, which has

Story by Associated Press Mexico City (CNN) — Heavy rains associated with Hurricane Beryl and the earlier Tropical Storm Alberto have led at least 200 crocodiles to enter urban areas in the northern Mexican state of Tamaulipas, across from Texas, state and federal authorities said this week. So far, authorities say they have captured and relocated around

By Jack Guy, CNN (CNN) — Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation. The blue magnificent tree frog was spotted in the Charnley River-Artesian Range Wildlife Sanctuary in the Kimberley region, according to a statement from the Australian

By Jacopo Prisco, CNN (CNN) — A piece of woolly mammoth skin excavated from the Siberian permafrost has been found to contain fossil chromosomes in a first-of-its-kind discovery, according to a new study. Researchers unearthed the 52,000-year-old remains in 2018 near the village of Belaya Gora in northeastern Siberia, where freezing temperatures helped preserve the

By Amarachi Orie, CNN (CNN) — Archaeologists in Peru have unearthed the remains of what they believe are a 4,000-year-old temple and theater, shining a new light on the origins of complex religions in the region. The team began studying the new archaeological site of La Otra Banda, Cerro Las Animas, in June. Last year,

By Angela Dewan, CNN (CNN) — A group of 120 scientists, engineers and academics have penned an open letter calling on the Paris Olympics’ organizers to ditch Toyota’s Mirai as the official vehicle of the Games, saying the hydrogen-powered car undermines the event’s green credentials. Cars that run on hydrogen emit zero carbon at the

By Ashley Strickland, CNN (CNN) — Two lion brothers, including one with an amputated leg, were spotted making a record-breaking night swim through treacherous waters in Uganda’s Queen Elizabeth National Park. Researchers believe that the nearly mile-long (1.6-kilometer) crossing of the crocodile-infested Kazinga Channel is the longest documented swim by lions. And it’s another chapter

By Jackie Wattles, CNN (CNN) — Boeing’s Starliner spacecraft and its crew have been in space for more than a month — much longer than the weeklong stay initially expected. The vehicle has suffered technical issues that have delayed its return indefinitely, and there’s still no return date on the horizon. But the two astronauts piloting

By Katie Hunt, CNN (CNN) — The oldest known plague victims date back to around 5,000 years ago in Europe. But it’s never been clear whether two cases, one in Latvia and one in Sweden, were isolated and sporadic or evidence of a wider outbreak. A new study, based on ancient DNA recovered from 108

By Louis Mian, CNN London (CNN) — A previously unknown species of plant-eating dinosaur roamed on an island off the south coast of England around 125 million years ago, new research has found. The dinosaur would have been the size of a large American bison and weighed around a ton, according to Jeremy Lockwood, a

By Jackie Wattles, CNN (CNN) — The European Space Agency’s member countries have endured a months-long space access predicament while waiting to add a functioning launch vehicle to their toolbox. But a new rocket, dubbed Ariane 6, just launched on its maiden mission after years of delays and hang-ups in the development process. The flight

By Mindy Weisberger, CNN (CNN) — About half a billion years ago, a volcanic eruption near a shallow sea in what’s now Morocco preserved some of the most complete specimens ever found of buglike sea creatures called trilobites, revealing anatomical details that scientists had never seen before. Within moments, a fast-moving torrent of hot ash

By Lex Harvey and Laura Paddison, CNN (CNN) — Would you like that burger medium rare, well-done, or lab-grown? Researchers in South Korea say they’ve developed a new way to make lab-grown meat taste like the real deal. It may look like a transparent, bubble gum pink-colored disc, but scientists hope it could revolutionize the

By Laura Paddison, CNN (CNN) — The Atacama Desert in northern Chile is one of the driest places on Earth, but swaths of its usually barren sand are currently carpeted with a colorful bloom of white and purple flowers. The Atacama Desert is known as the Disierto Florida (the “flowering desert”) because every few years

By Ashley Strickland, CNN (CNN) — An exoplanet the size of Jupiter has long intrigued astronomers because of its scorching temperatures, screaming winds and sideways rain made of glass. Now, data from the James Webb Space Telescope has revealed another intriguing feature of the planet known as HD 189733b: It smells like rotten eggs. Researchers

By Jacopo Prisco, CNN (CNN) — The eyed needle — a sewing tool made of bones, antlers or ivory that first appeared around 40,000 years ago in southern Siberia — might be hiding important clues about the beginnings of fashion, a new study has found. Researchers looked at existing archaeological evidence from dozens of sites

By Katie Hunt, CNN (CNN) — The grasslands, glaciers and snow-tipped peaks of the Tibetan Plateau are breathtaking, but the vast expanse in Central Asia is also one of Earth’s harshest environments. When I traveled to the plateau three decades ago, my head pounded, and I got sluggish from altitude sickness. Archaeologists long believed the

By Ashley Strickland, CNN (CNN) — When NASA scientists recently tracked the orbits of two space rocks as they made close approaches of Earth, they discovered a surprise: One of the asteroids has a little moon. Astronomers regularly track the trajectories of asteroids to ensure that none of them are on a potential collision course

By Barbie Latza Nadeau, CNN (CNN) — Set atop a hill on the Italian island of Sicily, Agrigento is a heritage tourist’s paradise. Beneath the archaeological structures and relics of its Valley of the Temples lies an ancient maze-like aqueduct system that still captures water today. But the aqueduct, and others built in modern times, are

By Ashley Strickland, CNN (CNN) — A massive, fanged creature with a head shaped like a toilet seat lurked in swamps near the edge of the world 280 million years ago, long before the first dinosaurs appeared, new research has found. Now, scientists who made the surprising discovery of its fossils in Namibia and Brazil

By Mindy Weisberger, CNN (CNN) — Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued researchers since its discovery by Danish seismologist Inge Lehmann in 1936, and how it moves — its

By Jack Guy, CNN (CNN) — Hippos can get airborne when moving at high speeds over land, according to a new study. This is the first time that the animals, which can weigh more than 2,000 kilograms (2.2 tons) and spend much of their time in water, have been found to lift all four limbs

By Issy Ronald, CNN (CNN) — Buried deep in an Australian cave, archaeologists have uncovered evidence that an Aboriginal ritual may have been passed down 500 generations and survived 12,000 years, making it the oldest known continuous cultural practice in the world, according to a new study. While investigating Cloggs Cave, situated near Buchan –

By Laura Paddison, CNN (CNN) — When Hurricane Ida battered Louisiana with catastrophic flooding and powerful winds in August 2021, more than 1 million people lost power. Then came the heat wave. Temperatures rose above 90 degrees Fahrenheit — a sucker punch to those sweltering in their homes, unable to turn on air conditioning as

By Katie Hunt and Lex Harvey, CNN (CNN) — Up a rocky cliff face, through a narrow opening, and at the end of a snaking passage lies a painting that archaeologists say is the world’s oldest known example of storytelling in art history. Located inside the limestone cave of Leang Karampuang in the Maros Pangkep

By Ashley Strickland, CNN (CNN) — Humans aren’t the only ones capable of performing amputations to save lives. Florida carpenter ants have been observed biting off the injured limbs of nestmates, depending on the location of the wounds, to help their counterparts survive, according to a new study. About 90% to 95% of the ants

By Katie Hunt, CNN (CNN) — Denisovans survived and thrived on the high-altitude Tibetan plateau for more than 100,000 years, according to a new study that deepens scientific understanding of the enigmatic ancient humans first identified in 2010. Researchers analyzed thousands of animal bone fragments unearthed at Baishiya Karst Cave, 3,280 meters above sea level near

By Ella Nilsen, CNN (CNN) — In the first week of a new Trump administration, President Joe Biden’s climate wins would get put through the shredder. First to go could be the executive orders, including the one protecting 13 million acres in Alaska from oil drilling and another aiming to dramatically increase the number of

By Ashley Strickland, CNN (CNN) — Grapes have been intertwined with the story of humanity for millennia, providing the basis for wines produced by our ancestors thousands of years ago — but that may not have been the case if dinosaurs hadn’t disappeared from the planet, according to new research. When an asteroid struck Earth

By Kate Golembiewski, CNN (CNN) — Earthquakes, caused by the shifting of Earth’s tectonic plates, have the potential to transform the face of the world. Now, for the first time, scientists have evidence that earthquakes can reroute rivers: It happened to the Ganges River 2,500 years ago. The Ganges snakes its way from the Himalaya

By Kristin Fisher, CNN (CNN) — The government of China now possesses something that no other humans have ever encountered — rocks and soil from the far side of the moon. The successful return of the Chang’e-6 lunar mission with the historic cache on June 25 was a scientific coup that further solidified China’s place

By Taylor Nicioli, CNN (CNN) — Painted lady butterflies venture far and wide with their impressive migratory patterns that stretch for thousands of miles — but they often travel across land, so they can stop to rest. Scientists have now found evidence that a group of the winged travelers flew over 2,600 miles (about 4,200 kilometers) across

By Nic Anderson, CNN (CNN) — Molly Parren was tracking a wood turtle in Vermont when she smelled something surprising, yet familiar. The amphibian scientist for the state’s wildlife agency traced the smell to a rare wild garlic and snapped a photo. What she didn’t realize at the time was she had found not one

By Ashley Strickland, CNN (CNN) — History is full of vanished arts and techniques that researchers are still trying to crack, such as decoding heirloom recipes lost to time. Some of those formulations belong to vivid colors that our ancestors developed millennia ago. It’s easy to think of the past as a sepia-toned expanse. Over time, paint

By Ashley Strickland, CNN (CNN) — Hundreds of basketball-size space rocks slam into Mars each year, leaving behind impact craters and causing rumblings across the red planet, according to new research. Mission planners could use the revelations, recorded in data collected by a now-retired NASA mission, as they determine where to land future robotic missions

By Jackie Wattles, CNN (CNN) — More than three weeks into a mission that was initially projected to last only days, the two astronauts piloting the inaugural crewed test flight of Boeing’s Starliner spacecraft do not know when they will return home. Officials have repeatedly indicated that the Starliner — which encountered issues with helium

By Ashley Strickland, CNN (CNN) — Performing administrative tasks in ancient Egypt may not sound physically demanding, but new research has revealed that being a scribe left a mark on the skeletons of the men who held those privileged positions. Scribes were high-status men with the ability to write and were part of the 1%

By Rebecca Cairns, CNN (CNN) — The soft, pink blob stares at the camera with glassy eyes — before pulling its face into a dimpled smile. While it might look like the stuff of nightmares, this tiny robot covered in living skin could mark a step forward in the quest to make robots more human-like. It’s

CNN By Rebecca Cairns, CNN (CNN) — The soft, pink blob stares at the camera with glassy eyes — before pulling its face into a dimpled smile. While it might look like the stuff of nightmares, this tiny robot covered in living skin could mark a step forward in the quest to make robots more human-like.

By Lex Harvey, CNN Hong Kong (CNN) — The world’s largest capital cities are seeing more extremely hot days than ever, according to a new study, which says the dangerous trend is being driven by scorching temperatures across Asia as the climate crisis worsens. The world’s 20 most populous cities – together home to more

By Ashley Strickland, CNN (CNN) — An early analysis of a sample collected from the asteroid Bennu suggests that the space rock had an unexpectedly water-rich past — and it may have even splintered off from an ancient ocean world. The NASA OSIRIS-REx mission scooped up the 4.3-ounce (121.6-gram) pristine sample from the near-Earth asteroid

By Jackie Wattles, CNN (CNN) — The iconic puffy white suits that astronauts have donned for decades as they step outside the International Space Station are rapidly aging — but NASA is now without concrete plans to replace them. The space agency announced Wednesday that it’s abandoning contracts worth more than $100 million with Collins

By Katie Hunt, CNN (CNN) — A fossilized ear bone unearthed in a cave in Spain has revealed a Neanderthal child who lived with Down syndrome until the age of 6, according to a new study. The find suggested that members of the community cared for and looked after the vulnerable child, who lived at

By Rachel Ramirez, CNN (CNN) — Unprecedented ocean heat has triggered the world’s worst mass coral bleaching event on record – a coral massacre so severe, reef experts are looking to one of nature’s most dangerous and destructive forces to provide relief: hurricanes. Since January 2023, 72% of the planet’s reef areas have experienced heat

By Jackie Wattles, CNN (CNN) — NASA will pay SpaceX up to nearly $1 billion to develop a vehicle capable of steering the International Space Station out of orbit to its final resting place when the federal agency and its partners retire the orbiting laboratory in the coming years. The SpaceX-made vehicle could launch later

By Taylor Nicioli, CNN (CNN) — A lone diver first laid eyes on the ancient Kyrenia shipwreck off the north coast of Cyprus nearly 60 years ago. But when archaeologists attempted to determine the exact timeline of the vessel coming to a rest on the ocean floor, they were left to speculate based on the

By Taylor Nicioli, CNN (CNN) — For thousands of years, one color rose above all others — and was worth more than its weight in gold, according to a fourth-century imperial edict. Tyrian purple was a highly prized pigment developed in the Bronze Age, and it retained its status into the late medieval period. The ancient

By Angela Dewan, International Climate Editor, CNN London (CNN) — When New Yorkers grab their morning coffee, it’s their electric grid that really needs the kick. Dozens of power plants shift into gear as demand for electricity soars at breakfast time and keeps rising until the city is done with dinner. A huge chunk of

By Ashley Strickland, CNN (CNN) — Forecasters will soon be able to see real-time mapping of lightning activity on Earth and keep a closer eye on solar storms unleashed by the sun thanks to a new weather satellite. Together, NASA and the National Oceanic and Atmospheric Administration launched GOES-U, or the Geostationary Operational Environmental Satellite

By Laura Paddison, CNN (CNN) — The Antarctic ice sheet is melting in a new, worrying way that scientific models used to project future sea level rise have not taken into account, suggesting current projections could be significantly underestimating the problem, according to a new study. Scientists from the British Antarctic Survey found that warm ocean water

By Mindy Weisberger, CNN (CNN) — An extinct ribbonlike sea creature about the size of a human thumb was one of the earliest animals to evolve a precursor of a backbone. Scientists recently identified the animal’s nerve cord by using a topsy-turvy twist. They turned its fossils upside down. Paleontologist Charles Doolittle Wolcott first encountered fossils of

By Jackie Wattles, CNN (CNN) — Two US astronauts abandoned plans to exit the International Space Station to conduct maintenance on Monday due to a spacesuit malfunction. NASA officials called off the spacewalk because of a water leak in the cooling unit of one of the astronauts’ spacesuits. The leak, which affected the suit donned

By Tom Page, CNN (CNN) — For millions of years, mighty baobabs have been standing sentry on three different landmasses, posing each other an existential question: Who came first? The giant trees, swollen of trunk and stubby of canopy, are unmistakable. Baobabs can live for more than 1,000 years, acting as the keystone species in

By Rachel Ramirez, CNN (CNN) — On a strip of land in northern Sweden, not far from the Arctic Circle, a new facility is taking shape which could help revolutionize one of the planet’s dirtiest industries: steelmaking. By 2026, if all goes to plan, the site just outside Boden will be filled with industrial buildings

By Katie Hunt, CNN (CNN) — The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years. Yet, more than Hawaii’s bubbling lava fields or Yellowstone’s sprawling supervolcano, it’s Mount Rainier that has many US volcanologists worried. “Mount

By Ashley Strickland, CNN (CNN) — About 67 million years ago, two dinosaurs faced off in a showdown in what’s now Montana before being buried together in a single grave. It’s unclear which dino won the battle. The Triceratops horridus and Tyrannosaurus rex each died sporting battle scars. The Triceratops fossil emerged first as it