In the last ten years, at least 15 species have officially checked out, never to be seen again. It's ironic to think how these creatures once roamed the planet with us, but now, they're just part of ...

By Shreya Dasgupta Some species officially bid us farewell this year. They may have long been gone, but following more recent ...

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 ...

Once one of the most populous birds in North America, passenger pigeons were estimated to fly as fast as 60 miles per hour, according to the Smithsonian Institution. Their numbers were wiped out after ...

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 ...

A clip from the upcoming series "Prehistoric Planet: Ice Age" shows how iconic ice age creatures adapted to their changing environment as temperatures rose and ice sheets started to melt. When you ...