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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…

By Ashley Strickland, CNN (CNN) — Two well-preserved ice age “puppies” found in Northern Siberia may not be dogs at all, according to new…

By Mindy Weisberger, CNN (CNN) — The sun was setting on a busy London street on a May evening in 1337 when a group of men approached a priest…

By Kameryn Griesser, CNN (CNN) — A tiny creature with frilly gills, a polite smile and glowing green skin just gave scientists a major clue to…

By Ashley Strickland, CNN (CNN) — Scientists have identified a previously unknown 86 million-year-old dinosaur species that fills an early gap…

By Ella Nilsen, CNN (CNN) — The Environmental Protection Agency is proposing to scrap two major federal regulations that limit air pollution…

By Jack Guy, CNN (CNN) — New research revealing details of gold coins found aboard a shipwreck off Colombia provides further evidence that the…

By Laura Paddison, CNN (CNN) — The collapse of a crucial network of Atlantic Ocean currents could push parts of the world into a deep freeze,…

By Jack Guy, CNN (CNN) — Scientists studying ancient human remains uncovered in Colombia have found that the people they were researching have…

By Helen Regan, CNN (CNN) — Climate lawyers are taking the New Zealand government to court, alleging its plan to reduce planet-heating…

By Jacopo Prisco, CNN (CNN) — An accidental discovery might change how we think about one of the most mysterious structures in our solar…

By Ashley Strickland, CNN (CNN) — June’s full moon, nicknamed the strawberry moon, will shine brightly on Tuesday night and Wednesday…

By Ashley Strickland, CNN (CNN) — As scientists search for worlds that may be habitable for life, they’ve discovered a type that is common in…

By Jacopo Prisco, CNN Many of the Dead Sea Scrolls, some of the most widely known archaeological finds of all time, may be older than once thought,…

By Laura Paddison, CNN (CNN) — Jan Beutel was half-watching a live stream of Kleines Nesthorn, a mountain peak in the Swiss Alps, when he…