For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

But Pacheco’s research strongly suggests that ancient people were carving ... As Odess interprets them, one set of tracks shows “a giant ground sloth going along on four feet” when ...

From a passageway made by giant sloths to a slinky tunnel bridge and an 'entrance to hell' - there are some extraordinary ...

At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

But Pacheco’s research strongly suggests that ancient people were carving ... As Odess interprets them, one set of tracks shows “a giant ground sloth going along on four feet” when ...

But Pacheco’s research strongly suggests that ancient people were carving ... As Odess interprets them, one set of tracks shows “a giant ground sloth going along on four feet” when ...