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 ...

Sound—in the form of shock waves—helps sculpt the beautiful, delicate structures of some supernova remnants, such as those seen here in a Hubble Space Telescope image of the Veil Nebula. “In space no ...

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".