Hi. I'm having a debate with a friend of mine, and hoping you wise people can settle it. He's written a short story about a man travelling to Alpha Centauri at close to the speed of light. Let's say, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Lasers could be used to propel tiny spacecraft toward Alpha Centauri, scientists suggest. | ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Inspiration for space exploration can come from all corners. One of the most inspiring, or terrifying, sources of inspiration for some in space exploration came from computer science expert John von ...

A spacecraft that crosses the boundary of plasma at the edge of our solar system could be boosted to the extreme speeds necessary for interstellar travel using a similar principle to how an albatross ...