It's essential that astronauts are fit and healthy before they are sent into space – but how do they keep up their exercise routine when they get there? A novel new approach may provide the answer.

SIMON: Camera follows astronaut Frank Poole as he jogs around the outside edge of a circular spacecraft. He's sticking out sideways from the edge, enjoying the weightlessness of outer space. A group ...

Just a few laps of the wall a day may be enough to keep muscle wasting at bay, scientists say. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As ...