Small primordial black holes may be zooming through the solar system, leaving detectable gravitational disruptions.

Astronomers have found a true colossus of a jet in the night sky, over 100 times larger than our galaxy. It’s almost ...

NASA's Hubble Space Telescope helped astronomers find more supermassive black holes in the early universe than previous estimates.

NASA Goddard Space Flight Center runs down the best-known Black Holes in the Milky Way galaxy and the Large Magellanic Cloud.

At 23 million light-years long, the black hole jets are the largest yet seen. How big is 23 million light-years, you ask?

Black holes eat most space debris that falls their way. Sometimes, heated-up plasma makes a narrow escape by spewing out in ...

For the first time, NASA Chandra X-ray telescope has been used to discover a pair of black holes in dwarf galaxies that are ...