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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are ...

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 ...

Dr. Tim Gaudin, a UC Foundation professor in the University of Tennessee at Chattanooga Department of Biology, Geology and Environmental Science, is a co-author of a new study on sloth evolution ...

Bones from an extinct ground sloth that stood between 8 and 10 feet tall were found in Kansas. Photo from the Illinois State Museum. At the end of the Pleistocene Epoch, 2.6 million to 11,700 years ...

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 ...

Sometimes it nice to just kick back and take it slow. Really slow. So what if evolution had the same mindset, and decided to ...

Ancient sloths lived in trees, on mountains, in deserts, boreal forests and open savannahs. These differences in habitat are primarily what drove the wide difference in size between sloth species.