When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: FX / Hulu "In space," some marketing genius once said, "no one can hear you scream".

It is one thing to see a tentacled-eyeball alien that consists of even more eyeballs launch out of a cat’s skull, but it is much worse to listen to. When you are squeamish (as I am), people often tell ...

That now classic tagline (from Alien, one of the greatest science-fiction horror movies ever made) hinges on a big assumption that most of us broadly make: space is empty. And it is—mostly. But there ...