See how the Sample Transfer Arm for the Mars Sample Return mission will work in this animation. Credit: ESA/NASA ...

See Rocket Lab's "proposed mission architecture" for a Mars sample return mission in this animation. Credit: Rocket Lab ‘I Made Every Single' Decision: Biden Fires Back at Trump Over Clemency Autopen ...

A mission called Mars Sample Return (MSR) is currently being cooked up over at NASA, and it's so incredibly complex and expensive that it has the agency's people running like crazy from place to place ...