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 ...

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, ...

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, ...

The stars have always called to us, but right now, few calls are louder than the roar of SpaceX rockets piercing the sky. As Elon Musk and his team push humanity toward Mars, there’s a sense of awe ...