Imagine a world where forests echoed with the slow, thunderous steps of creatures as large as small cars. Millions of years ...

By Jeanne Timmons Ground sloths emerged in South America tens of million years ago, eventually ranging as far north as Canada. While their modern relatives dwell in trees and top out at the size ...

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

Bustos at White Sands National Monument in Holloman Air Force Base, NM, and colleagues was titled, "Footprints preserve terminal Pleistocene hunt? Human-sloth interactions in North America." ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...

“It’s a bird! It’s a plane!” It’s... a giant stuffed sloth? That’s right-- crews with the Washington State Department of Transportation (WSDOT) removed a giant stuffed animal sloth ...