Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...
A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...
The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...
Since 2018, we've seen 1ES 1927+654 generate jets in real time and found it may have a lone white dwarf orbiting near the ...
In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again ...
Supermassive black holes with powerful jets of high-energy particles, pointing directly at Earth are called blazars.
Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...
All outdoor adventurers should have one or two big and rugged duffel bags in their gear closet—ideally stuffed with outdoor ...
Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...