SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons — and when startled, they brandished immense claws.

Sloths were not always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to four tonnes — and when startled, they brandished immense claws. For a long time ...

It marks one of the most valuable “armchair” hunts that have proliferated since Forrest Fenn, a New Mexico art ... student, found the treasure hidden by then 89-year-old Fenn.

Clovis is a site in New Mexico, where archaeologists in the 1920s and 1930s found distinctive projectile points and other artifacts dated to between 11,000 and 13,000 years ago. This date happens ...

But only recently did French scientists note a pattern. New research indicates that around 13,000 years ago, Palaeolithic people shaped part of the sandstone shelter floor to mirror the natural ...

A New York couple made an incredible prehistoric find 13,000 years old in their backyard while mowing the lawn: several fossils belonging to a mastodon. Now Dr. Robert Feranec, Director of ...

But only recently did French scientists note a pattern. New research indicates that around 13,000 years ago, Palaeolithic ...

The seven footprints, found amidst a clutter of hundreds of prehistoric animal prints, are estimated to be 115,000 years old. Many fossil and artifact windfalls have come from situations like this ...

The seven footprints, found amidst a clutter of hundreds of prehistoric animal prints, are estimated to be 115,000 years old. Many fossil and artifact windfalls have come from situations like this ...