New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct.

Crews with the Washington State Department of Transportation (WSDOT) removed a giant stuffed animal sloth from a tree along I-5 in Bellingham on Tuesday. The sloth was about 70 feet up, so crews had ...

SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons ...

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 ...

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 ...