NASA recently released images of the Andromeda galaxy, an "enticing empire of stars ... as shown in the photo above.
Some scientists believe that Andromeda experienced a major collision with another galaxy a few billion years ago, which may explain its high number of satellites and their unusual distributions.
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 ...
Hubble Space Telescope reveals richest view of Andromeda galaxy to date (image) ...
A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...