Long before today’s slow-moving tree dwellers, sloths were towering giants. In this episode, we look back at the age of the giant ground sloth - massive creatures that once roamed the Americas, ...

By Jeanne Timmons Ground sloths emerged in South America tens of million years ago, eventually ranging as far north as Canada. While their modern relatives dwell in trees and top out at the size ...

A strange cast of ferocious predators and giant herbivores ... like present-day sloths in South America, these sloths were one of the strangest animals of the ice age. They weighed as much ...

They patrolled North America hunting giant ground sloths, bison, and other megafauna until about the end of the last ice age. Then they disappeared and their unique contribution to the North American ...

They lived concurrently with ancient mammoths and/or mastodons, giant ground sloths and large wolves, during the peak of the last ice age. Those are among the conclusions scientists revealed in a ...