The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant ...

A 33,000-year-old sloth bone discovered in Uruguay reveals signs of possible human-made trauma, suggesting early human ...

Nearby, a red-rumped agouti — a South American rodent that looks like a large, long-legged guinea pig — scuttled behind a tree trunk. A few feet away, an Arabian sand cat put its paw inside a log to ...

While exploring South America, Darwin uncovered fossilized remains of several extinct mammals, including relatives of the Megatherium. In his journal, Darwin noted the striking similarities between ...

Wikimedia Commons/US Geological Service White Sands, New Mexico David Bustos found strange marks in the white sands of New ...

(Actually, it was a giant sloth.) The latest footprint discovery at White Sands has also revealed startling evidence—but of a very different kind.

About 5 million years ago, a giant flying squirrel, the size of a cat, glided over the forests of what is now Tennessee, alongside rhinos and mastodons. This unexpected discovery sheds light on the ...

The World of Darkness first opened in 1969 as one of the first major exhibits in the world to introduce the public to ...

The giant moa has been extinct for 900 years, but Maori researchers working Colossal Biosciences and filmmaker Peter Jackson ...

If you're looking for something fun to do this summer, we have not one, not two but six zoos in several cities across the state. Here's what to know about each one.