Space is already filled with plenty of mysteries, and black holes may be among the strangest. Here are some of the questions ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

Observations from NASA's Chandra X-ray telescope and the VLT have revealed jets blasting from supermassive black holes cause ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

The Milky Way hosts its own supermassive black hole at its center known as Sagittarius A* (pronounced “ay star”) that is more than four million times as massive as our sun. The tiniest members ...

Furthermore, black holes’ influence can extend far beyond the galaxies in which they reside. Last year, a team of astrophysicists identified the largest-known black hole jets—streams of ...

Even though this black hole is bigger than most, the biggest black hole in the known universe is a lesser object called TON 618. Astronomers spotted an ultramassive black hole nearly 700 million ...

The black hole, named Gaia BH3, was discovered "by chance" from data collected by the European Space Agency's Gaia mission, an astronomer from the National Centre for Scientific Research (CNRS) at ...

Black holes aren't just gorging themselves on whatever cosmic material is readily available—they're preparing those meals for themselves. Data from NASA's Chandra X-ray Observatory reveals that ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?