Sloths weren’t always the slow, tree-hugging creatures we know today. For millions of years, they came in a wild variety of ...

The Vela explosion stands out as the most dramatic example, occurring when our planet was emerging from the last ice age around 13,000 years ago.

Interestingly, one of the earlier arguments in favor of the siblings being dogs was their fur color. Both animals had black ...

Ten thousand years after mastodons disappeared, scientists have unearthed powerful fossil evidence proving these elephant ...

Data from 96 mastodon teeth reveals that the proboscidean lived in fruit-rich forests and traveled widely. Although they mostly fed on leaves, fruit was part of their diet, although more in some ...

A biotechnology company said it brought back dire wolves. Should these former park denizens be next on the de-extinction list ...