Fearing mass firings, scientists made a choice that could have lasting repercussions.

Some animals once believed extinct have stunned scientists by reappearing decades, centuries, or even millions of years after vanishing from the fossil record or disappearing from human observation.

A critically endangered gharial has been spotted at Kaziranga National Park in Assam for the first time by tourists, in a stunning wildlife moment captured on video and shared by the Chief Minister's ...

New angling regulations may remove catch and possession limits for several non-native species and expand bait and tackle ...

Invasive species of plants and animals cost the African continent's crop, fisheries, livestock, and eco-tourism industries ...

More than 3,800 river miles across 17 states, including Mississippi, is now designated critical habitat for four species of ...

The environmental movement—green-minded politicians, entrepreneurs, philanthropists, writers, volunteers, and advocacy ...

The Trump administration is declining to list as threatened or endangered three populations of Chinook salmon that could ...

Attorney Nathan Hotes said the commission is struggling because federal laws such as the Endangered Species Act and the ...