A supermassive black hole is on track to produce the longest recorded emission of energy left over from a shredded star.

Scientists hope to probe the nature of general relativity through a possible pulsar found in the center of the Milky Way, ...

A distant black hole tore apart a star and then stayed active for years, emitting powerful energy that continues to grow.

New research reveals how quiet galactic engines can help shape entire galaxies.

In a new study published in Physical Review Letters, scientists have performed the first global simulations of monster shocks ...