Nasa robot returning to US for Mars trip after decade of research in Scotland

PhD student Elle Miller and Professor Sethu Vijayakumar with the Valkyrie robot (Dillon Findlay/University of Edinburgh/PA) -

A humanoid Nasa robot being prepared for Mars will return to the US after a decade at a Scottish university.

The robot, named Valkyrie, is 1.8 metres tall, weighs 125kg, and is one of three prototypes in the world.