One of the strangest galaxies in the neighborhood of the Milky Way has just presented astronomers with a fascinating mystery.

A new image by the Chandra X-ray Observatory reveals an unidentified celestial object, dubbed C4, getting blasted by a jet of ...

How supermassive black holes form is even more elusive. Astrophysicists believe these invisible giants lurk at the center of ...

New Hubble Space Telescope images of a black hole-powered quasar reveal 'weird' structures and gigantic jets of energy that scientists are just beginning to explain.

What's going on in galaxy Centaurus A? NASA thought they were looking at a normal jet of particles coming out of a black hole ...

Scientists may have discovered a limit to how massive black holes can grow. If they're right, we may have already discovered ...

The Hubble Space Telescope has peered deeper than ever before into the heart of the supermassive black hole-powered quasar 3C ...

Astronomers have used NASA’s Hubble Space Telescope to gain a unique view of a vast black hole that is powering a glowing ...

The telescope has offered an unprecedented view of a supermassive black hole at the center of a quasar as it munches material in space.

A black hole is a dense, compact object whose gravitational pull is so strong that within a certain distance of it nothing ...

Astronomers suspect that in the first second after the universe formed, the very first black holes also formed. These tiny ...

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