Landman star Billy Bob Thornton is fond of comparing his popular TV series to a classic Texas-set film: Giant.

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

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

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

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

Sloths, sharks, rays, and okapi gained stronger CITES protections at CoP20, with new Appendix I and II listings.

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: ...

We now know how good the sense of smell was in giant sloths, sabre-toothed tigers and other long-lost species.

Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look ...

A growing exotic pet trade has conservationists calling for stronger regulations to protect the reptiles, birds and other ...