New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct.

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

The discovery also provides new evidence that people arrived in central Brazil during or before the end of the last ice age. Giant sloths larger than polar bears and armoured with bony plates once ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...