NASA celebrates Hubble's 35th anniversary by publishing stunning photos of a nebula that was first captured in 2005.

The anniversary celebration also included a countdown of images captured over the Hubble Space Telescope's lifetime so far, ...

NASA affectionately calls it a “Space Butterfly,” but in reality it’s a pair of massive gas clouds. Its official name is Westerhout 40 (W40), and it’s a nebula. W40 and nebulas like it are ...

The Tarantula Nebula sounds like it would be a better fit for Halloween than Valentine's Day. But just look at it. You can see why NASA thinks it's an appropriate astronomical gift for a day of ...

The photo shows two stars in the center, one which shed its layers of dust and gas as it neared the end of its life cycle.

NASA's James Webb Space Telescope captured an unprecedentedly sharp image of planetary nebula NGC 1514, revealing intricate details of its dying star. Located 1,500 light-years away, the nebula ...

In this image from NASA's Spitzer Space Telescope, "cometary knots" on the Helix Nebula show blue-green heads caused by excitation of their molecular material from shocks or ultraviolet radiation.