In the Mesozoic Era, dinosaurs were the undisputed rulers of the land. The Argentinosaurus, possibly the largest dinosaur ...

FOUR-ton mega-sloths with flesh-rendering claws lived alongside humans for 10,000 years, new research has found. The 20ft ...

New discoveries suggest ancient people first arrived in the New World much earlier than scientists once thought.

New discoveries reveal that giant sloths and mastodons coexisted with early humans in the Americas for millennia.

"Some of the most tantalizing clues come from an archaeological site in central Brazil called Santa Elina, where bones of ...

Giant sloths once lived from Alaska to Argentina and some species had bony structures on their backs – a bit like the plates of modern armadillos – that may have been used to make decorations.

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge – up to 4 tons – and when ...

where bones of giant ground sloths show signs of being manipulated by humans. Sloths like these once lived from Alaska to Argentina, and some species had bony structures on their backs called ...

where bones of giant ground sloths show signs of being manipulated by humans. Sloths like these once lived from Alaska to Argentina, and some species had bony structures on their backs ...