Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest. Shorter, faint flares and longer, bright flares ...

Researchers have announced results from a new search at the European X-ray Free Electron Laser (European XFEL) Facility at ...

Galaxies, planets, black holes: to most people, everything about our Universe sounds and feels enormous. But while it's true ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...