This week we talk to astrophysicist Chris Lintott and writer Tom Stevenson about the threat from outer space: is it the asteroids, is it the aliens, or is it us? What changed when space travel moved from a Cold War battleground to a billionaire’s playground? Are China and America about to re-start the space race? And what will happen if we do find evidence of extraterrestrial life - will anyone believe it? 

Read more from Chris and Tom about space in the LRB:

Space Snooker

Where are the Space Arks?

Flying Pancakes from Space

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