Dinosaurs dominated Earth for more than 160 million years, evolving into countless forms and becoming the planet's most successful land animals. But despite their incredible success, they disappeared ...

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.

When photographer Mohammed Almuntasir uploaded a YouTube video showing a sand cat in Libya, it kickstarted a quest to ...

In a rule published earlier this month, the administration determined that, in many cases, destroying the habitat of ...

Clams and snails rule today’s shores because their ancient ancestors survived a catastrophe that erased nearly all ocean life. The shells scattered along modern beaches are clues to an ancient ...

The U.S. canceled a rule meant to protect plants and animals that are determined to be threatened with extinction.

But the animals often called fluffy cows have also racked up the most human-involved injuries of any Yellowstone resident — ...

Jeffrey Drummond, a biologist at the US Fish and Wildlife Service, stretched out a sheet of netting held between two poles, ...

The Trump administration reversed decades of longstanding environmental law protecting endangered species Friday, opening up ...

As Stargate fans continue to mourn the loss of the new Amazon series that never was (and fight to see it revived somehow), many have been reflecting on the franchise's history. Indeed, most of us ...

Pittsburgh's National Aviary recently hatched two Guam kingfisher chicks, a species extinct in the wild. The chicks are part of a global effort to reintroduce the species, which was decimated by the ...

Off the coast of Mexico, National Geographic Explorer Bertie Gregory spots a lifeless creature dangling from a fishing line. With a bulging head that looks like it swallowed a gavel, there's no ...