Clock Ticking for 2018 Private Manned Mars Mission
The nonprofit Inspiration Mars Foundation aims to partner with NASA to send two astronauts on a flyby mission to the red planet in 2018.
The nonprofit Inspiration Mars Foundation aims to partner with NASA to send two astronauts on a flyby mission to the red planet in 2018.
The space agency issued a call for new mission proposals to help prepare for the likelihood that Kepler will never fully regain its health.