How to Turn Real Science Into Great Science Fiction

Science fiction is the literature of discovery — and there are tons of great ways to come up with stories worth telling. But a lot of the most compelling stories are based on actual cutting-edge science. But how do you turn real science into science fiction? To find out, we asked hard SF writers and scientists. » 9/18/13 11:03am 9/18/13 11:03am

Why would aliens come all this way just to invade Earth?

In movies, when aliens invade our planet, they usually have a ludicrous motivation. Like, they're after our water. Or our gold. (Hint: Asteroids have gold.) Space travel is incredibly difficult and expensive — so why would aliens actually bother to come and invade us? We asked some experts for reasons that actually… » 5/02/13 1:30pm 5/02/13 1:30pm