Sloth in prison -- The Great Basin now and then -- A zoologically impoverished world -- Dating an ass -- A stable of ground sloths -- Extinct mammals, dangerous plants, and the early peoples of the ...

Most people are familiar with modern sloths — slow-moving, tree-dwelling mammals that digest food slowly and descend only occasionally. Their closest living relatives are anteaters and armadillos, 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 ...

Each year 500,000 people visit New Mexico's White Sands National Monument to hike and frolic among gypsum dunes. Aside from the tourists, few animals in the region get much larger than a coyote or ...

Many thousands of years ago, the Sarasota-Manatee area was home to a diverse mix of now-extinct mammals—most notably, saber-tooth cats, mastodons and giant ground sloths called Megatherium, which ...