Human colonization may still be a way off, but NASA has been exploring Mars with a series of ever-larger mobile science labs.

If you've ever fancied spending up to a year away from your loved ones and living in extremely close confines with three ...

Mars missions in the 2030s and 2040s may be possible, but colonization is a much bigger problem. Radiation, communication ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly reduce the journey time to Mars, perhaps cutting a voyage of more than six ...