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.

When Philip K. Dick imagined artificial beings in his book "Do Androids Dream of Electric Sheep," the question was whether machines could think and feel like humans. Today, NASA is posing a related, ...

Decades before modern rovers ever reached Mars, NASA scientists were already imagining permanent human colonies on the red ...

Colonizing Mars may be a near impossible task, but that doesn't mean humans won't try anyway. Check out what a successful colonization of the red planet would actually look like in today's epic new ...

The Hill is provided by Nexstar Media Group, Inc., and uses the My Nexstar sign-in, which works across our media network. Learn more at nexstar.tv/privacy-policy. The Hill is provided by Nexstar Media ...