"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

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

Using the MIRI instrument onboard the James Webb Space Telescope, an international team of scientists made the first-ever ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

Researchers found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds ...

One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise ...

Regular pulses of X-ray radiation emanating from a supermassive black hole could be explained by a white dwarf star on the ...

Scientists want to know if a tidal disruption event that exploded twice is the result of a star abandoning its binary partner ...

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

Multiple NASA telescopes recently helped scientists search the sky for supermassive black holes—those up to billions of times ...

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

Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...