Some of the wildest legends may actually be rooted in reality. Ancient people didn’t have science textbooks, just bones in ...

New research shows 8,000-pound sloths once dug caves, adapted to oceans, and roamed widely—until climate and humans brought their downfall.

Study by UChicago, Smithsonian, UK Natural History Museum challenges assumptions about survival after global catastrophe ...

Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living ...

"Dire wolves" created by Colossal Biosciences were pegged as "the first animals in history to be brought back from extinction ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big.

Animal research has always walked a tightrope between necessity and controversy. It has yielded critical breakthroughs in ...

Several specimens come from new excavations conducted in Kootenay National Park. Their excellent state of preservation confirms the exceptional potential of the Burgess Shale for studying early animal ...

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"It seems like a strange thing to gamble on in the ... Tissue samples from animals that have been extinct for tens of thousands of years lack the intact cells needed for traditional cloning ...

“People have weird feelings about things that ... for behavior—even if we could tell from a genome how an extinct animal acted, which we can’t. “A lot of people are quite skeptical ...