Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

One of the most powerful objects in the universe is a radio quasar—a spinning black hole spraying out highly energetic ...

Elusive black hole radiation predicted by Stephen Hawking may have influenced the way the universe took shape after the Big ...

Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...