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

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of ...

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...

The black hole at the center of the M87 galaxy is 1000 times more massive than Sagittarius A*. Watch views of both captured by the Event Horizon Telescope (EHT) Collaboration. Credit: Space.com | ...

Astronomers have uncovered the most distant blazar ever discovered, a supermassive black hole with a mass of 700 million suns ...

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

Such issues took center stage this week, beginning on Tuesday as Pete Hegseth, President-elect Donald Trump’s nominee to be ...

Cockeye BBQ in Warren sports a sign that leaves no room for interpretation, boldly proclaiming “EAT MEAT HERE” like a ...

Male polar bears can weigh up to 700 kilograms (1,540 pounds) and reach lengths of over three metres (10 feet). This makes them the largest land predators in the world, outmatching even grizzly bears.

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...