Animation of the Dart mission.
Credit: NASA/Johns Hopkins APL
We don’t know much about the target asteroid of Nasa’s imminent Dart mission, so it’s hard to predict what will happen when we crash into it.
Shutterstock
An asteroid that landed in Russia in 2013 injured 1,500 people – and was just 20 metres in diameter. What could we do if a major threat was detected?
NASA
NASA’s Asteroid Redirect Mission has had its funding cut. Here’s why politicians should think again.
The view from the current International Space Station.
EPA
Whatever America’s exact strategy in space, it doesn’t seem to involve investing in a new International Space Station