The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
A strange black hole is making scientists scratch their heads.
A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...
One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise ...
A "missing link" black hole in Omega Centauri is still missing. What appeared to be an intermediate-mass black hole was a ...