One of the most powerful objects in the universe is a radio quasar — a spinning black hole spraying out highly energetic particles. Come too close to one, and you'd get sucked in by its gravitational ...

As civilizations grow and mature, if humanity so far is anything to go by, they require a lot more energy to sustain themselves. A number of power-supply options for advanced civilizations have been ...

Scientists have discovered key conditions needed for a stellar black hole to create plasma jets. Their findings show that when superheated gas material experiences a rapid shrinkage towards the black ...