Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

Early Spiral Galaxy Captured for the First Time Using Gravitational Lenses . For the first time ever, scientists have ...

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...

Learn about the new research that changes the estimates of the Milky Way’s demise.

Astronomers at the European Southern Observatory have captured an ultra-detailed image of the Sculptor galaxy, which they say ...

The Sculptor galaxy, also known as NGC 253, is similar in size, mass, and shape to our own spiral Milky Way. ESO researcher Enrico Congiu said ...