Megatherium americanum is the scientific name for an extinct species of giant ground sloth. The name means 'great beast from America'. Discovered in 1787 by Manuel Torres in Argentina, the first M.

The "amazing discovery" of a sloth's hip bone and a fragment of a bison's radius bone was made about 16ft (5m) below ground in Park Mesa Heights. Scientists say the Harlan's Ground Sloth could ...

See some of the most complete fossils of these prehistoric sea animals, including ichthyosaurs and plesiosaurs, and learn about the work of pioneering palaeontologist Mary Anning. Plus, look out for ...