The male, mother sloth and her baby were recently intercepted and brought to safety. (International Animal Rescue / IAR Costa ...

Beneath California's modern coastline lie remnants of an ancient Ice Age landscape, revealed by submerged village sites and megafauna fossils. Discoveries like Jefferson's ground sloth bones and ...

In a rare and exciting find, road crews in Lubbock, Texas, stumbled upon a prehistoric creature fossil while working on the ...

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...