Smaller black holes tend to attract less material, making them naturally dimmer. Chandra would miss many of these faint ...

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

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

Researchers are finding out more about a supermassive black hole at the center of the Milky Way galaxy, discovering that it has been leaking gases for several thousand years and is not the sleeping ...

Scientists say they've spotted the first runaway supermassive black hole that's rocketing away from its home at a staggering speed.

Sagittarius A* flickers every hour, making it a challenging target for telescopes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The James Webb ...

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

An invisible monster lurks beyond the stars of the constellation Sagittarius near the border with Scorpius: a supermassive black hole, designated as Sagittarius A* (pronounced “Sagittarius A-star”), ...

Space itself is scary enough—dark, vast, cold and empty—but galaxies have all manner of terrifying beasts lurking inside. Most of these astrophysical monsters are stars with various behavioral issues, ...

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What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.