Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, the Milky Way’s mass is about 1.5 trillion solar masses, and the beefiest ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way's ...

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

This offers forensic clues as to how our Milky Way galaxy and Andromeda have evolved differently over billions of years. Our Milky Way has been relatively placid. But it looks like Andromeda has ...

For decades, capturing detailed images of galaxies beyond the Milky Way has felt like the exclusive ... notion with a stunning photo of the Andromeda Galaxy, revealing individual stars and ...

Astronomers suspect Andromeda had a major collision with another galaxy relatively recently, perhaps 2 to 5 billion years ago. The Milky Way, on the other hand, probably hasn't had a run-in with ...

New research from a team at the Harvard Center for Astrophysics suggests that the Large Magellanic Cloud, a dwarf galaxy neighboring the Milky Way ... such as the Andromeda galaxy.

Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...