Last week, the Trump administration released a presidential budget request that would cancel almost all NASA science missions in order to focus on putting humans on Mars. It's mainly a showy, ...

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 ...

In an interview earlier this year, Elon Musk, the CEO of SpaceX and Tesla, delivered a sobering assessment of Earth’s future, suggesting it may not be able to support humanity for much longer. SpaceX ...

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, ...

From ancient fascination to modern ambitions, humans dream of settling Mars, but extreme cold, toxic soil, scarce water, ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. Rovers on Mars have made exciting finds and ...