“We know we’ve found Giant Ground Sloth by its distinctive tooth,” said Chris Ringstaff, project planner with TxDOT’s environmental affairs division. “We’re here to get the road built.

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths ...

Ground sloths had a special fondness for caves, and their size undoubtedly played a role in their ability to find and make shelters. The moderately sized Shasta ground sloth favored small, ...

“We know we’ve found Giant Ground Sloth by its distinctive tooth,” said Chris Ringstaff, project planner with TxDOT’s environmental affairs division. “We’re here to get the road built.

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 ...

Giant ground sloths evolved in South America around 35 million years ago. Around 8 million years ago, they migrated into North America, according to the San Diego Natural History Museum.

Other smaller sloths persisted even longer. Parocnus, also found on Cuba, lived until about 4,960 years ago, and the small ground sloth Neocnus trundled over Hispaniola until about 4,500 years ago ...

Today, the six living species of sloths are usually found dangling from tree branches, or going viral on YouTube. But sloths used to be a lot more diverse—and a lot bigger. The extinct ground ...

The 130,000-year-old, 13-foot-tall giant ground-sloth's bones, assembled and displayed at the Museum of Arts and Science, represent the most complete giant sloth skeleton in North America.

Ground sloths had a special fondness for caves, and their size undoubtedly played a role in their ability to find and make shelters. The moderately sized Shasta ground sloth favorited small, ...

New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the ...