Just when you think you have a good idea of the mammals that live in North America, another one appears and forces you to ...

A tiny Nevada fish living in the shadow of a proposed lithium mine has sparked an escalating Endangered Species Act debate.

KEMAMAN: Another critically endangered river terrapin (Batagur affinis) has been found dead, trapped by fishing gear in the ...

The Olympic marmot is endemic to the Olympic Peninsula — it is found nowhere else in the world. Now, the federal government ...

It is hoped that the screens will prevent the critically endangered European eel and other river fish, from getting into the ...

The U.S. Fish and Wildlife Service does not plan to issue a final decision until December on whether to keep grizzly bears in ...

These penguins need a little help.

A spectacular and rare sighting was captured on video off the Southwest Florida coast: An endangered right whale and her calf ...

Humans are making the world’s wildlife dangerously 'samey'. Some scientists have a word for this reshuffling of life: the ...

In Washington, D.C., this week, lawmakers are weighing a bipartisan bill intended to save an endangered fish, while also ...

The rule, which has to do with endangered species, was adopted during the transition of administrations from former Gov. Phil ...

Teeth belonging to the fearsome creatures have been discovered throughout the state. Now, they're up for consideration by the ...