What looks like a celestial hummingbird in this stunning space wallpaper is really the result of a collision between a spiral and an elliptical galaxy at a whopping 326 million light- years away. The ...

This beautiful space wallpaper shows spiral galaxy Messier 100, located in the southern part of the constellation of Coma Berenices, and lying about 55 million light-years from Earth. This image shows ...

Scientists have combined X-ray data (shown in purple) from NASA's Chandra X-ray Observatory and optical data (shown in white and blue) from the Hubble Space Telescope, the Very Large Telescope, and ...