As talk of Mars colonisation and permanent lunar bases accelerates, scientists are issuing a stark warning: human ...

For more than a century, popular culture has promised that humanity will spread effortlessly across the Solar System, turning ...

There are substantial technical, political, and financial obstacles to starting the colonization of Mars within the next few decades. SpaceX is farther along than most toward this ambitious goal.

Biological limits A sustainable Mars colony will need to include raising children there, but childbirth would be very risky on Mars. (Courtesy: iStock/Denis Art) “It’s hard to say when exactly sending ...