'Alien: Earth' is the first-ever Alien TV show and it's finally arrived. Here's how to watch 'Alien: Earth' wherever you are on the planet. When you purchase through links on our site, we may earn an ...

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 ...

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 ...