Somewhere right now, in a conference room full of planetary scientists, an argument is quietly raging. On one side: the Mars ...

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 ...

Spread the loveFor decades, the idea of living on the Moon or Mars has felt like a distant dream, a staple of science fiction ...