Z. Arzoumanian

The Ansky black hole in a distant galaxy has changed the rhythm of its X-ray flares: they are now half as frequent, but four times as powerful and longer lasting. Scientists link this to an object that might be making its final loops before falling into the hole, disturbing the disk of superheated g

If neutron stars had tiny bumps, they would constantly hum with gravitational waves. Using LIGO, scientists searched for that hum from 34 pulsars, the largest search of its kind. No signals were found, which pushes the theoretical limits even lower. The Crab pulsar, for instance, turns less than 0.0