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By Ella Nilsen, CNN (CNN) — In one of its last major actions on climate, the Biden administration on Wednesday finalized a key waiver allowing…

By Laura Paddison, CNN (CNN) — If all goes to plan, Virginia will be the site of the world’s first grid-scale nuclear fusion power plant,…

By Ashley Strickland, CNN (CNN) — Astronomers have spotted seven new examples of a cosmic phenomenon known as dark comets that could help…

By Isaac Yee, CNN (CNN) — A complete mastodon jaw was unearthed in the backyard of a house in New York, according to the New York State Museum.…

By Lex Harvey, CNN (CNN) — Microplastics are everywhere. They have been found on the peak of Mount Everest and in creatures inhabiting the…

By Katie Hunt, CNN (CNN) — Flying slowly and silently through the night sky, barn owls are majestic nocturnal hunters that successfully prey on…

By Ashley Strickland, CNN (CNN) — Thousands of ancient butchered human bones found in a deep shaft in southwest England have pointed…

By Katie Hunt, CNN (CNN) — A group of 38 scientists working in nine countries has sounded an alarm about the potential creation of mirror…

By Issy Ronald, CNN (CNN) — The world’s largest iceberg is on the move again, drifting through the Southern Ocean after months stuck spinning…

By Taylor Nicioli, CNN (CNN) — As the winter nights grow longer, those in the Northern Hemisphere will want to keep an eye out this weekend for…

By Ashley Strickland, CNN (CNN) — “Even though you want to try to, never grow up,” Peter Pan said in the titular novel by J.M. Barrie,…

By Ashley Strickland, CNN (CNN) — Flybys of Jupiter’s fiery moon Io, carried out by NASA’s Juno spacecraft, are helping to solve the…

By Katie Hunt, CNN (CNN) — Scientists say they have recovered the oldest known Homo sapiens DNA from human remains found in Europe, and the…

By Chris Lau and Lisako Neriki Ancheta, CNN Tokyo (CNN) — A Japanese sake maker is going where no sake maker has gone before: space. Asahi…

By Ashley Strickland, CNN (CNN) — After a steep monthslong trek, the Perseverance rover has reached the top of Jezero Crater on Mars. The site…

By Laura Paddison, CNN (CNN) — The nearly 3 million rivers that weave across the world are experiencing rapid and surprising changes, with…

By Julianna Bragg, CNN (CNN) — A male humpback whale has made an extraordinary journey from South America to Africa — traveling more than…

By Gina Park, CNN (CNN) — It’s that time of the year again. Sky-gazers may get the chance to glimpse some of the dozens of meteors that will…

By Ashley Strickland, CNN (CNN) — A type of bacteria called Deinococcus radiodurans, nicknamed “Conan the Bacterium” for its ability to…

By Rachel Ramirez, CNN (CNN) — Every winter, millions of monarch butterflies journey thousands of miles across North America to spend winters…

By Lex Harvey, CNN (CNN) — Anton van Helden, an expert on some of the world’s rarest whales, was sitting on the couch in July recovering from…

By Ashley Strickland, CNN (CNN) — A mineral trapped within a Martian meteorite that fell to Earth has revealed traces of water on Mars that…

By Ashley Strickland, CNN (CNN) — An enduring mystique surrounds the Voyager 1 and 2 probes. Launched two weeks apart in 1977, the twin probes…

By Mindy Weisberger, CNN (CNN) — Fashion is fickle and styles come and go — even for orcas, apparently. In 1987, a group of killer whales off…

By Jackie Wattles, CNN (CNN) — President-elect Donald Trump’s pick for NASA administrator — tech billionaire and spaceflight trailblazer Jared…

By Alex Rodway, CNN (CNN) — On one of his first trips to study wolves in Ethiopia in the late 1980s, biologist Claudio Sillero observed a…

By Issy Ronald, CNN (CNN) — Ancient ancestors of Native Americans, known as the Clovis people, mostly ate mammoths and other large animals…

By Laura Paddison, CNN (CNN) — Millions of tons of coal ash leftover from burning the planet’s dirtiest fossil fuel are sitting in ponds and…

By Laura Paddison, CNN (CNN) — Last year was the hottest on record, oceans boiled, glaciers melted at alarming rates, and it left scientists…

By Jackie Wattles and Kristin Fisher, CNN (CNN) — NASA’s Artemis program, which aims to return astronauts to the moon this decade amid a…