Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...

The dream of establishing human colonies on Mars has captivated scientists and space enthusiasts for decades, but what once seemed like pure science fiction is increasingly becoming scientific reality ...

Turning Martian dust into shelter has long sounded like science fiction, but researchers are now treating it as an engineering problem with a biological answer. Instead of shipping steel and concrete ...