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 ...

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, they’re now formally categorized as extinct on the IUCN Red List, considered the ...

New research identifies 10,443 critically endangered species worldwide, with effective protection strategies available if funding and political will follow. More than 1,500 species, or 15% of the ...

The elusive Northern Spotted Owl. The majestic Whooping Crane. Charismatic Florida panthers and beloved Monarch butterflies. These and many other endangered species now face even graver threats in the ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...