NASA Goddard Space Flight Center runs down the best-known Black Holes in the Milky Way galaxy and the Large Magellanic Cloud.
Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of ...
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 ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
In December 2022, less than six months after commencing science operations, NASA's James Webb Space Telescope revealed ...
Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.
"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 ...
Galaxy clusters are home to many giant elliptical galaxies that have completed their growth and are not forming stars.
NASA telescopes reveal 35% of supermassive black holes are hidden by dust, reshaping theories about their role in galaxy ...
Using IRAS and NuSTAR telescopes, scientists identify hundreds of obscured black holes hidden behind gas and dust.