Paleontologists have discovered a strange new dinosaur species that may have looked like a giant, feathered mix of a sloth and giraffe. It had only two raptor-like clawed fingers per hand, which the ...

Although it sounds like a grade-B science fiction movie, fossils show that our ancestors once hunted and fought giant ground sloths. For the first time, scientists have uncovered fossilized footprints ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

Many thousands of years ago, the Sarasota-Manatee area was home to a diverse mix of now-extinct mammals—most notably, saber-tooth cats, mastodons and giant ground sloths called Megatherium, which ...

A Manatee County utilities crew was digging a trench recently when it unearthed something unexpected: a fossilized giant ground sloth claw that had been buried in more than 11,000 years ago. According ...

This uplifting post from discover.animal shows some good Samaritans helping a lucky sloth make its way across traffic and into the forest. Sloths are typically docile and are rarely a danger to people ...

Giant sloths with razor-sharp claws and as large as Asian bull elephants once roamed the Earth, snacking on leaves at the tops of trees with a prehensile tongue. Now, scientists have figured out why ...