We've put robots on both the moon and mars, but scientists have never tried to soft-land a robot on a comet--until now. In this episode of The Countdown, we cover everything you need to know about the European Space Agency's groundbreaking Rosetta mission.
More to explore:
Comet Craft Approaches Its Target (Nature)
Rosetta: To Chase a Comet (NASA)
Host/writer: Sophie Bushwick
Story Advisors: Clara Moskowitz & Michael Moyer
Editor: Joss Fong
Producer: Eric R. Olson