Researchers said the rare species “abruptly disappeared” from the region following an El Niño event. Now it is thriving.

A critically endangered fox, called "one of the rarest mammals in the world," was recently caught on camera by a Northern ...

“It’s extremely rare to find things that were once thought to be extinct, and to rediscover them,” Terry Gosliner, who ...

A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...

A new study co-authored by BirdLife’s Chief Scientist Dr Stuart Butchart and published in Nature Reviews Biodiversity reveals ...

An old film from the last century captures the life of what would be the last of a very common Australian animal species.

As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life on ...

Thylacines — marsupials known as Tasmanian tigers — were declared extinct decades ago, but efforts to find one in the wild ...

Kristen Miller, lead author of the study and a doctoral student at KU’s Biodiversity Institute, analyzed the Texan fossils to ...

One notable success story is the cloning of Przewalski's horses, once extinct in the wild. Kurt, the first cloned ...