How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

There's nothing that personalizes a space quite like artwork and photos. Here are some tools and gadgets that will help you ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

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

A remarkable black hole, located 270 million light-years away in the Draco constellation, has become the center of ...

A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

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

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 ...

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 ...