A butchered mammoth carcass pulled from frozen sediments in the far north of Russia proves humans were present in the Arctic some 45,000 years ago - 10,000 years earlier than previously indicated.

Nasa has ended the spacewalk involving British astronaut Tim Peake after his US colleague reported water in his helmet.

The European Space Agency is eager to develop its interest in a robot mini-shuttle just selected by Nasa to help ferry cargo to the space station.