Crab Nebula: NASA's Chandra X-Ray Laboratory released this composite of the Crab Nebula with data from Chandra (blue and white), Hubble (purple), and Spitzer (pink).
Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...
7 astonishing images of Andromeda galaxy shared by NASA
This image of the Andromeda Galaxy, captured by the Herschel Space Observatory, reveals a detailed view of cool lanes of star formation.