Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

“After being properly prepared, it became evident that (the new species was) part of a rare group of herbivorous/omnivorous ...

President Donald Trump withdrew the United States from the Paris Climate Agreement on his first day back in office.

Divers in Florida’s Steinhatchee River uncover 552 fossils from 500,000 years ago, revealing prehistoric horses, sloths, ...

A rare, nearly complete skull unearthed in the Egyptian desert has led to the identification of a new species of apex predator, Bastetodon.

Between 122 and 108 million years ago, the Australian landmass was much farther south than today. Victoria was positioned ...

Divers in Florida unearth 500,000-year-old fossils from an underwater sinkhole, revealing prehistoric horses, sloths, and possibly a new species of tapir.

Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...

Fossils of the world’s oldest megaraptorid and the first-ever carcharodontosaurs in Australia have been discovered, ...

More than 500 exceptionally preserved fossils are offering new clues about the evolution of Florida's animals and landscape.

Volunteer fossil hunters and trained paleontologists uncover a new Australian dinosaur and the oldest known megaraptorid.

As the Madre de Dios River flows through Peru toward the Amazon, it eats away at the landscape, slowly turning rock into mud.