Imagine waking up to headlines announcing that one of the largest mammals to ever roam the Americas has returned. After ...

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly featured on children's backpacks, stationery and lunch boxes—are slow-moving ...

The objects suggest that humans entered South America thousands of years earlier than previously thought.

SEATTLE — The Highline Heritage Museum is hosting its annual Sloth Festival on October 18, celebrating the region’s own giant ground sloth with family-friendly exhibits, hands-on activities, and a ...

Deep in the unyielding darkness of a Brazilian cave, a pale, blind, spiny beast carefully feels its way across rust-colored rocks. Meet Paleotoca diminas, a spider new to science. The species, ...

Giant ground sloths have often been portrayed as gentle giants of the ice age. Much of their anatomy, from their flat molars to their vat-like guts, seems consistent with a diet centered around the ...

The remarkably rare discovery of a fossilised pregnant ground sloth and its fetus has been reported. Cástor Cartelle at the Pontifical Catholic University of Minas Gerais in Brazil had been exploring ...

A new study suggests that Mylodon -- a ground sloth that lived in South America until about 10,000 to 12,000 years ago -- was not a strict vegetarian like all of its living relatives. Based on a ...

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 ...

Imagine a sloth. You probably picture a medium-size, tree-dwelling creature hanging from a branch. Today’s sloths – commonly featured on children’s backpacks, stationery and lunch boxes – are ...