NASA has released three new pieces of cosmic sound that are associated with the densest and darkest members of our universe: ...

Like a scene out of a sci-fi movie, astronomers using NASA telescopes have found "Space Jaws." Lurking 600 million ...

Astronomers are unraveling the mystery behind Ansky, a black hole system emitting powerful, repeating X-ray bursts called ...

In the first few hundred million years after the Big Bang, something strange happened: many massive black holes already ...

Astronomers using NASA’s IXPE satellite have finally cracked a cosmic mystery—how X-rays are produced in the energetic jets ...

Scientists have discovered a supermassive black hole that appears to be "waking up" after being inactive for decades. The black hole at the heart of SDSS1335+0728—a distant galaxy 300 million ...

After decades of inactivity, the black hole at the galaxy's heart burst with light. Now, the cosmic monster appears to be doing something that is forcing astronomers to re-evaluate their ...

but Full of Clues Most black holes are discovered by the brilliant glow of the accretion discs that swirl around them. As gas falls toward the black hole, it heats up and emits ultraviolet light.