A new road being built led to the bones of two giant ground sloths being discovered in Wilmington, launching them into local ...

Huge tunnels under southern Brazil and northern Argentina were potentially made by giant, Ice Age sloths for refuge and rest ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. Video above: ...

For the first time ever, paleontologists have found fossil traces of burrowing bees nesting inside the buried bones of other ...

Two fossil hunters dropped into a Florida river that looked like brewed coffee and came back with a time capsule. What ...

Pigs, rats, cats and mongooses, all brought to the island decades earlier by humans, were to blame for their demise, preying ...

Massive underground tunnels discovered across South America are not human-made. Scientists now believe extinct giant ground ...

A replica skeleton of a giant ground sloth unearthed in Wilmington in 1991 is on display at the Cape Fear Museum, but will ...

It may be hard to imagine a time when giant mastodons and other long-extinct animals were roaming the prairies of South ...

A cave in the Dominican Republic concealed thousands of years worth of animal bones that had been turned into nests by ...

International research and highly-specialized divers are bringing an underground, underwater world to the surface ...

Footprints and drag marks from early humans using travois are discovered at White Sands, NM, dating back 22,000 years.