Witches, ghosts, and ghouls don’t just appear on Halloween night — they haunt the cosmos, too. From eerie nebulae to zombie stars, here’s a collection of the most spine-chilling images from space to ...

Professional and amateur astronomers alike love to share facts about our amazing universe: “The brightest star is…,” “A black hole is…,” and lots more. These facts are so incredible that we sometimes ...

The International Space Station (ISS) is one of the most unique environments where life has ever existed, out in the low orbit of Earth. And research out today finds that bacteriophages—the viruses ...