RENO, Nev. — Responding to a Center for Biological Diversity petition, the U.S. Fish and Wildlife Service today proposed ...

Sophon Heng reportedly knew the fish had been illegally traded, which violates U.S. laws designed to protect endangered species, court documents say.

These Incredible Organisms Are on the Brink of Extinction The clock is ticking for many of the world’s most extraordinary ...

Federal wildlife officials on Tuesday moved to add the monarch butterfly to its endangered species roster, citing decades of steep population decline of the striking black-and-orange insect.

The red-cockaded woodpecker, once endangered, is experiencing a resurgence in Coastal Carolina and the Southeast, thanks to ...