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By Ashley Strickland, CNN (CNN) — Archaeologists have uncovered primitive sharp-edged stone tools on the Indonesian island of Sulawesi, adding…

By Ella Nilsen, CNN (CNN) — Energy Sec. Chris Wright said Tuesday night the Trump administration is updating the National Climate Assessments…

By Jackie Wattles, CNN (CNN) — Firefly Aerospace, the first private company to successfully land upright on the moon, is set to make another…

By Jackie Wattles, CNN (CNN) — Astronaut Butch Wilmore is retiring from NASA less than five months after he returned from a troubled test…

By Jessie Yeung, CNN (CNN) — Parts of Australia’s iconic Great Barrier Reef, famed for its stunning colors and biodiversity, suffered the…

By Taylor Nicioli, CNN (CNN) — Research vessel Blue Heron trawls the Great Lakes, gathering data from the water. The floating laboratory’s…

By Ashley Strickland, CNN (CNN) — The humble modern-day potato, first domesticated about 10,000 years ago, got its start in the Andes mountains…

By Jack Guy, CNN (CNN) — Archaeologists have used cutting edge techniques to reveal new information about the intricate tattoos of a woman that…

By Laura Paddison, CNN (CNN) — Iran’s capital Tehran could be weeks away from “day zero,” experts say — the day when taps run dry for…

By Rebecca Cairns, CNN (CNN) — For the first time, archaeologists have used advanced scientific techniques on 4,000-year-old dental plaque to…

By Lianne Kolirin, CNN (CNN) — Archaeologists are facing a “race against time” to explore the wreck of an English warship that sank in a…

By Ella Nilsen, CNN (CNN) — President Donald Trump came into office promising to lower energy and electricity costs. But with the cost of…

By Katie Hunt, CNN (CNN) — Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg.…

By Jack Guy, CNN Archaeologists working at a site in Spain say they have uncovered evidence of what may have been a synagogue used by a hitherto…

By Ashley Strickland, CNN (CNN) — A first-of-its-kind satellite has launched to track nearly imperceptible changes on Earth’s surface, an…

By Gina Park, CNN (CNN) — Sky-gazers may get a good chance to see fireballs streak across the night sky this week. Two meteor showers — the…

By Ella Nilsen, Andrew Freedman, CNN (CNN) — In one of its most significant reversals on climate policy to-date, the Trump administration on…

By Ella Nilsen, Laura Paddison, CNN (CNN) — The Trump administration fired the last of the US climate negotiators earlier this month, helping…

By Lianne Kolirin, CNN (CNN) — A 4,000-year-old handprint has been discovered on a clay model used for offerings in an Ancient Egyptian tomb.…

By Ashley Strickland, CNN (CNN) — Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a…

By Julianna Bragg, CNN (CNN) — During the first week of July, the popular travel center and gas station chain Buc-ee’s opened its largest…

By Lex Harvey, CNN (CNN) — What struck Scott Bennett most were the razor clams. The long saltwater clams, resembling old-fashioned razors,…

By Katie Hunt, CNN (CNN) — Neanderthals had a voracious appetite for meat. They hunted big game and chowed down on woolly mammoth steak as they…

By Ashley Strickland, CNN (CNN) — The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized…

By Laura Paddison, CNN (CNN) — The soupy, smothering extreme heat that has scorched parts of the Northern Hemisphere this summer takes a hard…

By Kameryn Griesser, CNN (CNN) — Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the…

By Mindy Weisberger, CNN (CNN) — When a plant is stressed, it doesn’t keep quiet about it. You won’t hear the plant’s cry because it’s…

By Laura Paddison, CNN (CNN) — The world’s highest court said polluting countries may be in breach of international law if they do not…

By Ella Nilsen, Rene Marsh, CNN (CNN) — The Environmental Protection Agency has drafted a proposal to reverse a landmark scientific finding…

By Jack Guy, CNN (CNN) — Archaeologists have discovered the remains of a medieval knight, buried under a shuttered ice cream parlor in the…

By Jacopo Prisco, CNN (CNN) — Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of…

By Jackie Wattles, CNN (CNN) — A group of 287 scientists and current and former NASA employees has issued a declaration lambasting budget cuts,…

By Andrew Freedman, CNN (CNN) — Once synonymous with leisure and reprieve, summer has increasingly become a season marked by anxiety and…

By Mindy Weisberger, CNN (CNN) — Lesser known than some other beloved tales of larger-than-life heroes such as Gilgamesh, Beowulf and King…

By Jack Guy, CNN (CNN) — A Ceratosaurus fossil that is one of only four known to exist has sold for $30.5 million at auction. The rare dinosaur…

By Taylor Nicioli, CNN (CNN) — The phrase “leave no stone unturned” has taken on new meaning for paleontologists at the Denver Museum of…

By Jack Guy and Kameryn Griesser, CNN (CNN) — A meteorite that is the largest known piece of Mars on Earth has sold for a hammer price of $4.3…

By Jacopo Prisco, CNN (CNN) — A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its…

By Katie Hunt, CNN (CNN) — Scientists have recovered ancient proteins from a fossilized rhinoceros tooth, breaking new ground in the study of…

By Laura Paddison, CNN (CNN) — The strongest nor’easters — destructive and often deadly storms that slap the US East Coast with paralyzing…

By Jacopo Prisco, CNN (CNN) — Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury,…

By Kameryn Griesser, CNN (CNN) — An ancient Roman mystery is afoot in the rolling hills of northern Britain. Archaeologists have unearthed a…

By Jack Guy, CNN (CNN) — Chimpanzees living in a sanctuary in Africa have developed a “fashion trend” for dangling blades of grass or…

By Gina Park, CNN (CNN) — Skygazers can look toward the horizon this week to catch a glimpse of the full moon around its peak illumination.…

By Issy Ronald, CNN (CNN) — When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something…

By Kameryn Griesser, CNN (CNN) — Hundreds of millions of flies dropping from planes in the sky might sound like a horrible nightmare, but…

By Katie Hunt, CNN (CNN) — A species of huge, flightless bird that once inhabited New Zealand disappeared around 600 years ago, shortly after…

By Laura Paddison, CNN (CNN) — Extreme heat is a killer and its impact is becoming far, far deadlier as the human-caused climate crisis…

By Olivia Kemp, CNN (CNN) — An ancient Peruvian city that was a thriving hub of trade more than 3,000 years ago has been unveiled by…

By Jacopo Prisco, CNN (CNN) — A galaxy that has remained unchanged for 7 billion years — a rarity in the universe — has been observed by…

CNN By Renée Rigdon, Angela Fritz, CNN (CNN) — The waterways in Texas Hill Country have carved paths over the centuries through the granite…

By Renée Rigdon, Angela Fritz, CNN (CNN) — The waterways in Texas Hill Country have carved paths over the centuries through the granite and…

By Andrew Freedman, Emma Tucker, Mary Gilbert, CNN (CNN) — The forces that descended upon the Guadalupe River in Texas’ Hill Country on…

By Katie Hunt, CNN (CNN) — Stone Age humans living by a lake in what’s now Germany systematically processed animal carcasses for fatty…

By Ashley Strickland, CNN (CNN) — A newly discovered object speeding through our solar system is sparking excitement among astronomers because…

By Ella Nilsen, Rene Marsh, CNN (CNN) — The Environmental Protection Agency has placed roughly 140 employees on administrative leave days after…

By Laura Paddison, Chris Liakos, CNN (CNN) — More than 200 firefighters are struggling to tackle an out-of-control wildfire on Crete —…

By Ella Nilsen, CNN (CNN) — The visitors who trek to America’s national parks are already noticing the changes, just months after President…

By Ashley Strickland, CNN (CNN) — In a long-sought first, researchers have sequenced the entire genome of an ancient Egyptian person, revealing…

By Jack Guy, CNN (CNN) — A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million. It’s up for…

By Laura Paddison, Mitchell McCluskey, CNN (CNN) — A brutal heat wave is gripping many parts of Europe, leaving millions of people struggling…

By Laura Paddison, CNN (CNN) — Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event…

By Lianne Kolirin, CNN (CNN) — Crouched low in one of the coldest, remotest places on Earth, polar explorer Alan Chambers searched for an…

By Andrew Freedman, CNN (CNN) — The Trump administration’s proposed budget seeks to shut down the laboratory atop a peak in Hawaii where…

By Ella Nilsen, Matt Egan, CNN (CNN) — Business groups and clean-energy developers are apoplectic over a last-minute provision tucked into…

By Ella Nilsen, CNN (CNN) — Tech giant Google is investing money into a futuristic nuclear fusion plant that hasn’t been built yet but…

By Jacopo Prisco, CNN (CNN) — Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful…

By Ashley Strickland, CNN (CNN) — Some of the most intriguing science fiction springs from eerie, real-life phenomena. Case in point, the…

By Ella Nilsen, Soph Warnes, CNN (CNN) — Household energy bills will be higher over the next decade now that Republicans have passed their tax…

By Issy Ronald, CNN London (CNN) — Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the…

CNN By Jackie Wattles, CNN (CNN) — A private astronaut mission that just took flight has exposed a new twist in a lingering — and potentially…

By Jackie Wattles, CNN (CNN) — A private astronaut mission that just took flight has exposed a new twist in a lingering — and potentially…

By Katie Hunt, CNN (CNN) — A glob of 99 million-year-old amber has preserved an ancient fly in horror show fashion: with the mushroom-like…

By Jack Guy, CNN (CNN) — A medieval sword has gone on display at a museum in the Netherlands after its chance discovery during a dredging…

By Marlowe Starling, CNN (CNN) — Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the…

By Andrew Freedman, CNN (CNN) — The intensifying and expansive heat wave affecting around 150 million people in the United States from…

By Ashley Strickland, CNN (CNN) — The first test images from a groundbreaking observatory named for trailblazing astronomer Vera Rubin have…

CNN By Ashley Strickland, CNN (CNN) — The first test images from a groundbreaking observatory named for trailblazing astronomer Vera Rubin have…

By Kameryn Griesser, CNN (CNN) — Whether it’s answering work emails or drafting wedding vows, generative artificial intelligence tools have…

By Jackie Wattles, CNN (CNN) — Tens of thousands of years ago, our species — Homo sapiens — mingled and interbred with other prehistoric…

By Isabelle Rodney, CNN (CNN) — The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with…

By Ashley Strickland, CNN (CNN) — Scientists are trying to solve a decade-long mystery by determining the identity of anomalous signals…

By Jacopo Prisco, CNN (CNN) — Each year, a tiny species in Australia makes a grueling 620-mile (1,000-kilometer) nighttime migration, and it’s…

By Ella Nilsen, Bill Weir, CNN Chief Climate Correspondent SOUTHERN MAINE (CNN) — Colin Goodson knows more about energy than most people. The…

By Jack Guy, CNN (CNN) — Researchers studying the remains of a prehistoric woman who lived around 10,500 years ago in what is now Belgium have…

By Lianne Kolirin, CNN (CNN) — Archaeologists have assembled the “world’s most difficult jigsaw puzzle” to reveal huge frescoes that once…

By Katie Hunt, CNN (CNN) — An enigmatic skull recovered from the bottom of a well in northeastern China in 2018 sparked intrigue when it…

By Laura Paddison, CNN (CNN) — Rising global temperatures are set to devastate food crops across the world, with particularly alarming impacts…

By Kameryn Griesser, CNN (CNN) — Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating…

By Ashley Strickland, CNN (CNN) — Astronomers have used mysterious fast radio bursts, or millisecond-long bright flashes of radio waves from…

By Andrew Freedman, CNN (CNN) — The human fingerprint on global warming was likely evident in Earth’s atmosphere far earlier than previously…