ORLANDO — Sloth World, a planned Orlando attraction, is under scrutiny for the living conditions of its animals and the deaths of dozens of imported sloths.

Researchers studying a trail of fossilized footprints on a remote New Mexico salt flat have determined the tracks tell the story of a group of Ice Age hunters stalking a giant sloth. Park naturalist David Bustos says the series of tracks and adult and ...

The Northern and Southern Maned Sloths may look very similar from the outside, but their genomes reveal different stories: the two species have faced very distinct conditions in Brazil’s Atlantic Forest in the past and confront different conservation ...

Although it sounds like a grade-B science fiction movie, fossils show that our ancestors once hunted and fought giant ground sloths. For the first time, scientists have uncovered fossilized footprints of ancient humans at the White Sands National Monument ...