Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge - up to 4 tons - and when startled, they brandished immense claws. For a long time, scientists believed ...

The timing of the first human arrival in the Americas remains one of the most debated questions in archaeology. Evidence from ...

Robert Zubrin, likely the planet’s leading strategist for landing humans on Mars, and then remaking it in the Earth’s image, predicts SpaceX’s colossal Starship will be the first spacecraft ever to ...

A newly uncovered trove of ancient stone tools in northwest Kenya suggests early humans didn't use them sporadically but routinely over hundreds of thousands of years, at the very emergence of ...

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: ...

Benjamin holds a Master's degree in anthropology from University College London and has previously worked in the fields of psychedelic neuroscience and mental health. Benjamin holds a Master's degree ...