Daniel Odess, an archaeologist at White Sands, interprets one set of tracks as showing "a giant ground sloth going along on four feet" when it encounters the footprints of a small human who has ...

The "amazing discovery" of a sloth's hip bone and a fragment of a bison's radius bone was made about 16ft (5m) below ground in Park Mesa Heights. Scientists say the Harlan's Ground Sloth could ...