The vision of Mars colonization is moving from science fiction into real-world planning, with multiple space agencies preparing for long-term human presence. Modern Mars missions focus on testing ...

Researchers have developed a concept for a toroidal, mobile inflatable habitat for Mars, designed to house four astronauts with integrated life support systems. The lightweight structure can be ...

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.

For years, popular culture has treated a human settlement on Mars as an almost inevitable next chapter, a matter of engineering and willpower rather than fundamental limits. Astrophysicist Neil ...