Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to ...

Lake sturgeon have had a resurgence in the Tennessee River. Twenty-five years of conservation efforts have paid off.

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...

A fish previously declared extinct has been released back into the wild in Australia. The olive perchlet, a small oval-shaped fish with large eyes, was considered extinct in Victoria, Australia, in ...

Bergman urges delisting of the gray wolf from endangered species list Washington – Rep. Jack Bergman and a coalition of House ...

Rare Ice Age fish once thought to be extinct thriving in UK loch - This unique fish has only been known to exist at four ...

Fish who have never known the river graduated to the wild on Wednesday, when the Albuquerque BioPark and the U.S. Fish and ...

An environmental group is proposing the Umpqua chub and northern roach, both native to southern Oregon, receive Endangered Species Act protection.

Four dozen tiny pupfish are swimming in a constructed habitat in a giant glass structure once meant to house humans.

Our modern teeth evolved from a most unexpected source. A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved ...