Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, ...

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

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

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

NASA: 'Magnificent' Andromeda galaxy in pictures. Hubble, with its sharp imaging capabilities, detected more than 200 million stars in the Andromeda galaxy that are brighter than Earth's sun.

Andromeda is about 260,000 light-years wide, according to NASA, making it the largest galaxy in the Local Group.However, its mass is roughly comparable to or even less than that of the Milky Way ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

Scientists previously predicted the pair of galaxies would merge in about five billion years. Now, research suggests that ...

NASA released the largest picture ever taken earlier this month, with a staggering 1.5 billion pixels, of the Andromeda Galaxy. To get an idea of how massive the picture is, you'll need a 600 HD ...