It's the year 2000. We're floating in space, and we come across the side view of a spectacular spiral galaxy. It's called UGC 10043 and is located 150 million light-years away. Spiral galaxies ...

A stunning composite image of the Crab Nebula combines X-rays from Chandra (blue and white), optical data from Hubble (purple), and infrared data from Spitzer (pink). This image from NASA's Spitzer ...

A swirling vortex of gas and dust in shades of pink, purple, and blue. A beautiful nebula formed by the intense radiation of a young star.