Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...

Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

"Violence is a particularly common theme for later prehistoric human remains from watery places," said the head researcher.

Researchers in Poland have found more evidence of violent cannibalism in the wake of the coldest period of the last Ice Age.

Millions of years ago, giant rhinoceroses roamed the grasslands that stretched from Ukraine to Siberia. One species, ...