China has fitted the final piece on what is set to be the world's largest radio telescope, the size of 30 football fields and worth $180m (£135m).

The US space agency will try to put a satellite in orbit around Jupiter to sense what lies beneath the giant planet's obscuring clouds.

The Bloodhound supersonic car project is back on track thanks to new sponsorship, and now aims to break the land speed record in October 2017.