But as the planet cooled again, sloths began to bulk up. The largest ground sloths emerged during the Ice Ages. Big bodies ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like ...

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...

Officials discovered the remains of a giant ground sloth and other prehistoric animals near Lubbock while working on a new highway. The Texas Department of Transportation contracted an archeological ...

Explore how ancient sloths evolved in size, from small climbers to massive ground dwellers, shaped by shifting climates and ...

Most people are familiar with modern sloths — slow-moving, tree-dwelling mammals that digest food slowly and descend only ...

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.

A recent excavation in Texas yielded some “colossal creatures,” according to local officials – and archaeologists are hopeful ...

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to ...

Sloths have a reputation for being sluggish and slow, spending most of their lives dozing in trees, but a new study suggests ...

A giant ground sloth tooth and other Ice Age era animal remains were discovered during a road project in Lubbock, Texas. The remains, estimated to be 18,000-36,000 years old, are being preserved ...