What Is a Black Hole? Here’s Our Guide for Earthlings Welcome to the place of no return — a region in space where the gravitational pull is so strong that not even light can escape it. This is a black hole. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Greenhouse Gas Emissions Rose Last Year. Here Are the Top 5 Reasons.NASA Asteroid Bennu: Can NASA deflect asteroid barrelling towards Earth with HAMMER?Global Health: South Sudan Halts Spread of Crippling Guinea WormsTrilobites: What Makes Some Hair Curly? Not Quite What Scientists Thought150 Whales Beached in Australia, as Rescuers Fight to Save ThemMatter: Was a Tiny Mummified Skeleton an Alien? No, but the Real Story Is Almost as Strange