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.

The mission to colonize Mars has captured the imagination of scientists and enthusiasts alike. With NASA and SpaceX leading the charge, the once distant dream of establishing a human settlement on the ...

NASA and Elon Musk are racing toward the same destination, but they are not running the same race. While SpaceX talks in terms of the next launch window, NASA is quietly building a layered campaign of ...