Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

This photo shows how gigantic an Irish Elk looks compared to two humans. Megaloceros giganteus - literally "giant horn" - is ...

Few people know that the Zebra had a close relative, native to South Africa, that went extinct in the late 1800s. Here’s its story. Countless species have come and gone in the short history of life on ...

Two Mississippi teenagers went to a creek on a hot summer day in June and not only did they find relief from the heat, they discovered a fossil from a giant animal that went extinct more than 10,000 ...

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 ...

Scientists have sequenced the genome of the long-extinct woolly rhinoceros from remains found in the stomach of a naturally ...

This year, at least six animal and insect species moved to the Extinct category of the IUCN Red List of Threatened Species Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...

Researchers were able to sequence the full genome from the 14,000-year-old chunk of preserved woolly rhinoceros meat.