For only the second time, researchers have obtained the full genome of a Denisovan, a group of ancient humans who lived in Asia. The DNA was extracted from a single 200,000-year-old tooth found in a ...

Humans were voyaging to remote islands off the north-west coast of Greenland 4500 years ago. This required them to cross over 50 kilometres of open water – one of the longest sea journeys made by ...