"Houston, we've had a problem". This issue we mark the 50th anniversary of Apollo 13, revealing what went wrong and how Mission Control reacted on the ground.


We also take a look at what science goals Apollo 13 might have achieved, had everything gone to plan.


Plus, Professor Jason Wright discusses NEID, a new instrument that can measure the masses of exoplanets.


Iain Todd BBC Sky at Night Magazine
Iain ToddScience journalist

Iain Todd is BBC Sky at Night Magazine's Content Editor. He fell in love with the night sky when he caught his first glimpse of Orion, aged 10.