Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Such waves are produced in some of the most violent events in the universe, like supernovae, black-hole mergers or the big bang itself. Just like electromagnetic waves, gravitational waves have a ...

Supermassive black holes are among the most common types of black holes in the universe. Most galaxies contain a supermassive black hole at their centres. These black holes have masses ranging ...

"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 ...

Astronomers have taken a crucial step in showing that the most massive black holes in the universe can create their own meals ...

A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, located about 270 million light-years away from Earth, showed its first ...

And every single one of those dots would be an accreting supermassive black hole." The universe could be packed with many more monstrous black holes ravenously feeding on their surrounding ...

Astronomers have made a groundbreaking discovery about black holes, revealing that these cosmic giants can essentially cook ...

Dec. 18, 2024 — Scientists have spotted a massive black hole in the early universe that is 'napping' after stuffing itself with too much food. Like a bear gorging ... Event Horizon Telescope ...