As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Actively growing supermassive black holes in centers of galaxies are common even in cosmic voids, the most rarefied and empty regions of the universe. In a study of more than 1,000 void galaxies ...

Sagittarius A*: The Void at the Center of our Galaxy. Scientists believe a giant black hole sits at the center of our galaxy. Publish Date: 11/30/21 Topic: Space + Flight Space & Flight NOVA ...

The thumbnail on the right shows a void galaxy that harbors an actively accreting supermassive black hole in its center; such activity is revealed by its fluctuating mid-infrared brightness ...

Black holes are one of the most mysterious cosmic phenomena, despite how much we continue to learn about them. While considered a mathematical possibility for many years, the first black hole ...

Sagittarius A is flashing the rest of the galaxy in a way that scientists have yet to fully understand. Eric Mack Contributing Editor Eric Mack has been a CNET contributor since 2011.

The type of black hole that’s sitting in the center of a galaxy is different. This is a supermassive black hole, or SMBH, and — as its name implies — it’s much heftier.