Prehistoric animals once roamed — and ruled — planet Earth. Some of them, like the giant sloth or the woolly rhino, were generally gentle. Others, like the saber-toothed tiger and the dire wolves, ...

With the current technology, you have a good shot at being able to bring back an extinct animal or being able to create mor ...

Millions of years ago, the planet was home to terrifying predators that make many of today's dangerous animals look harmless.

Rhinos that flourished across much of North America 12 million years ago gathered in huge herds, according to a new study by the University of Cincinnati. Researchers studied the isotopes of rhino ...

Inside the twisting tunnels of Mammoth Cave, the world’s largest cave system, scientists have uncovered fossilized remains of two ancient shark species that once prowled Earth’s waters some 325 ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, ...

Throughout history, some extinct animals have emerged as formidable hunters that roamed the Earth with unmatched ferocity, while others have taken their place as gentle giants, embodying grace and ...

Brandon Ballengée’s ‘Frameworks of Absence’ (2006–ongoing) in the Ronald Feldman Fine Arts booth at the 2015 Armory Show (photo by Jillian Steinhauer/Hyperallergic) (click to enlarge) The animals have ...

Prehistoric sea monsters weren't always quite so fierce as their reputation suggests, as scientists find that the queasy giants had to swim ashore to vomit.

Koalas with the bodies of lions. Elephants the size of your dog. Gigantic, 8-foot-tall sloths. These aren’t creatures found in science fiction: They walked our planet a million years ago, during the ...

A pioneering study in experimental archaeology has revealed the techniques used by prehistoric communities in north-eastern Europe to extract animal teeth for crafting personal ornaments—offering ...