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 ...

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 ...

By Will Dunham June 4 (Reuters) - The cave lion was one of the biggest cats to ever live, prowling a huge swathe of territory ...

Humans only discovered Arne Ovamgrotta in 1991, but it was a haven for at least 46 species over 75,000 years ago. By Andrew Paul Published Aug 4, 2025 4:09 PM EDT Add Popular Science (opens in a new ...