The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100 ...

The Andromeda galaxy, our cosmic neighbor, is far more turbulent than previously thought. A new survey by the Hubble Space ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

We are surrounded by it: an odd spiral was seen close to the Milky Way. NASA Supercomputer Unveils Spiral Surprise at Solar ...

Astronomers have found strong evidence of a supermassive black hole in the Large Magellanic Cloud (LMC), a small galaxy near ...

Scientists observed constant flares from the Milky Way's black hole, revealing unpredictable and intense activity.

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the ...

We couldn’t find a pattern in this activity ... the highly energetic and variable activity of the Milky Way’s central black hole isn’t a concern, Morris said. However, the Webb telescope ...

Astronomer Yusef-Zadeh explained that flares are expected in all supermassive black holes, but Sagittarius A is unique. Unlike others, it is constantly active and never settles into a steady state.