Hubble telescope finds black hole shot out of a distant galaxy

Astronomers using NASA's Hubble Space Telescope have observed a supermassive black hole with a mass one million times that of our Sun hurtling away from its parent galaxy. It's the first confirmed case out of several suspected "runaway black holes,"...

Scientists discover a cosmic-scale particle accelerator

Suddenly, even the Large Hadron Collider seems downright quaint. Researchers have found a combination of cosmic phenomena that's creating the universe's largest known particle accelerator. At least one supermassive black hole in a galaxy cluster ha...