What will happen to the solar system when the Milky Way completes the merger with the Andromeda Galaxy? Bryan Mitchell Maricopa, Arizona Your excellent question affords us the opportunity to ...

"Even though our galaxy, as well as the Andromeda galaxy, has 100 billion stars in it, they're very far apart." Not only will the solar system survive, but Earth will see a spectacular show as the ...

But one backyard astrophotographer has shattered that notion with a stunning photo of the Andromeda Galaxy ... and even some of our solar system’s planets, like Saturn. But his most recent ...

Explore Earth and its relationships with a plethora of planets, stars and galaxies in its cosmic family, Laniakea, the ...

This galaxy, designated Andromeda XXXV, and its compatriots orbiting our neighbor galaxy, Andromeda, could change how we think about cosmic evolution. That's because dwarf galaxies this small ...

"We do find that there is a lot of diversity that needs to be explained in the Andromeda satellite system," said Daniel Weisz of the University of California, Berkeley. "The way things come ...

I study stellar and gas dynamics near massive black holes, with applications to our Galactic center, the Andromeda (M31) nucleus and post-starburst galaxies. I'm also interested in the strange orbits ...