Ten thousand years ago, mastodons vanished from South America. With them, an ecologically vital function also disappeared: ...

Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct.

The idea of reviving extinct creatures has transitioned from science fiction to an emerging scientific reality. With ...

The dodo bird thrived for millennia in Southeast Asia, then on Mauritius island where they had no natural predators and ...

But something huge must have historically existed to develop the instinct that makes 15-pound carp flee for their lives.

Wondering which animals are in the Ice Age movie? Keep reading to learn what these animals are called in real life.

The tooth-billed pigeon, last photographed in 2013, can now possibly be biobanked with the use of a new AI tool.