Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

A foal belonging to Asia's last remaining wild horse is thriving thanks to an unexpected hero: a domesticated horse named ...

Here's what you need to know about the Peter Jackson-backed project to 'de-extinct' Aotearoa's long-dead giant bird.

Przewalski's are considered the only remaining truly wild horse species. They were declared extinct in the wild in the 1960s, with just a few surviving in zoos.

Behind the scenes, Smithsonian care teams welcomed four animal babies from three imperiled species: Hartmann’s mountain zebra ...

Zoo staffers picked the name Marat because it means “one who is brave,” and he's had to be brave from such a young age Przewalski's are considered the only remaining truly wild horse species. They ...

For years there has been speculation about recreating the wooly mammoth, for example, because there are frozen carcasses to ...