Most smaller galaxies may not have supermassive black holes in their centers, according to a recent study using NASA's ...

Intermediate mass black holes (IMBH), if they exist, have between about 100 and 1,000 solar masses, placing them in between ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

Learn how researchers used Einstein’s theory of general relativity to create the most accurate simulations to date.

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

NGC 6278 and PGC 039620 are two galaxies from a sample of 1,600 that were searched for the presence of supermassive black ...

Astronomers watched as a black hole whipped up cosmic winds that shot material into space at 37,280 miles per second (60,000 ...

The two galaxies shown here, NGC 6278 and PGC 039620, are representative of the more than 1,600 galaxies analyzed in a new study. Both galaxies are ...

Black holes, born from dying stars, are cosmic giants that grow by consuming matter and merging with others. While invisible ...