For more than a century, paleontologists have been piecing together how the mysterious predator Andrewsarchus is related to ...

Add Yahoo as a preferred source to see more of our stories on Google. Harlan's ground sloth fossil skeleton excavated and displayed at the La Brea Tar Pits in Los Angeles. Larisa DeSantis A two-toed ...

WRIGHTSVILLE BEACH, North Carolina -- The North Carolina coast is known for many things but, for divers, it is well known as a hot spot for finding giant prehistoric Megalodon teeth. "It's really rare ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Imagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging ...