The present-day surface is more uninhabitable than previously thought
The scientists stress more research is needed before a crewed mission to Mars
Will he convince the experts?
Bringing back an asteroid of this value could completely wipe out our global economy
The latest suggestion comes from a team of Spanish researchers
Astrobiologists ponder sending gene sequencers, weather stations, drilling rigs and more to the Red Planet
The unprocessed images reveal some intriguing features of Saturn and its north pole