For the first time, scientists have used DNA preserved in ancient sediments to examine how a major natural disaster affected animal populations. A new study of a catastrophic volcanic eruption during ...

An Albuquerque museum curator was part of a team that identified a new species related to the muskox — one that roamed thousands of years ago and found its final resting place in what's now known as ...

Across the Ice Age and modern history, diverse mammals like the woolly mammoth and saber-toothed cat have vanished, leaving ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

In 1978, residents in the small community of Winameg in rural northwest Ohio discovered several bones of a mammal dating back to the Ice Age: a mastodon. Bowling Green State University studied the ...

Artistic reconstruction of a dire wolf. You may have seen them in Game of Thrones, but dire wolves aren’t fantasy beasts.

Recent fossil discoveries in South Dakota and Mexico, along with new evolutionary hypotheses, are offering fresh insights into how mammals lived alongside and after dinosaurs. Finds include a ...

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 ...