Andromeda XXXV doesn't answer this puzzle, but it does add a new piece. Because it is the faintest satellite galaxy yet ...

Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

The new companion galaxy Andromeda XXXV is highlighted in red. Credit: M. Arias et al. Astrophys. J. Lett. (2025) The survival of Andromeda XXXV in the early universe, despite hostile conditions, ...

Right now, the Andromeda galaxy is racing toward the Milky Way at a speed of 250,000 mph - fast enough to circle the world in just six minutes. And it's scheduled to collide, head-on, with the ...