"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as gravitational waves.

How did supermassive black holes come to be? Astronomers have two hypotheses for their formation, and now one of them might have gotten the first tantalizing piece of direct evidence. Researchers ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

Astronomers using JWST and other telescopes found a supermassive black hole floating between two colliding galaxies — not in either galaxy center, but embedded in shocked gas. Why it matters: If ...

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black ...