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 ...

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

The remains of an Ice Age era animal have been unearthed in Lubbock during the ongoing road construction project for Loop 88. Due to Texas having locations where ancient human activity connected to ...

WICHITA, Kan. (KWCH) - A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 years ago. A study published Monday in the peer-reviewed ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

(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 ...