The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...
A strange black hole is making scientists scratch their heads.
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...
Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...
A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, ...