More than 78,000 have already thrown their names in the ring for the Mars One reality show.
The ties between Star Trek and NASA go back a long way.
One woman's role in NASA's Web domination.
Redditor karmanaut has compiled the top 500 sessions from r/IAmA, and some interesting stats emerge from the data.
The scientists have been fielding so many questions about the apocalypse that they've dedicated part of their website to answering.
Through the @MarsCuriosity Twitter account, NASA revealed that it has not yet found signs of life on the red planet.