Every time it feels like nature has run out of surprises, it pulls something completely unexpected out of nowhere.Did you ...

Ocelots, the medium-sized wild cats that look a bit like miniature jaguars, once roamed widely across South Texas. But after population declines caused by habitat loss, hunting, and road deaths, they ...

Some of Earth’s rarest animals are so elusive they feel more like folklore than flesh and bone. We often think of endangered animals as elephants, tigers, and rhinos, creatures whose plights are ...

FWS announced Feb. 9 that the well-known bird will be removed from the list as the population has grown in other states over the past several years.

Having failed to meet a deadline and getting sued for it, a federal agency Wednesday agreed to decide whether to list a rare ...

Forty years ago, wood stork populations in Florida were plummeting. But federal and private efforts have made a dramatic difference, officials say.

Scientists at UC San Diego’s Scripps Institution of Oceanography described two of the new species — Iskra’s glitter worm and ...