A newly identified asteroid, measuring between 40 and 100 metres wide, has been placed at the top of the asteroid risk list.

NASA is laying the groundwork for plans to safely deorbit and land the International Space Station, the largest of its kind ever built, by 2030.

After three decades circling Earth, in 2031 the International ... station will begin to break up, before a final descent in which the ISS, which is approximately the size of a football field ...