In this composite image of Cygnus OB2, X-rays from Chandra (red diffuse emission and blue point sources) are shown with ...

This shot from the NASA/ESA Hubble Space Telescope shows a maelstrom of glowing gas and dark dust within one of the Milky Way ...

A planetary nebula (PN, plural PNe), is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives. The term "planetary nebula" ...

Some 1,600 light-years away lies the "Skull Nebula." Formally called NGC 246, it's a cosmic object called a planetary nebula, ...

Since then, thousands more have been identified and described in surveys like the Abell Catalog of Planetary Nebulae and the ...

The Ring Nebula is a planetary nebula - objects that are the colourful remnants of dying stars that have thrown out much of their mass at the end of their lives. Its distinct structure and its vibrant ...

A planetary nebula marks the end of 90% of all stars active lives and traces the star’s transition from a red giant to a degenerate white dwarf. But, for years, scientists weren’t sure if the sun in ...

Each week, Astronomy magazine Senior Editor Michael E. Bakich, a master at explaining how to observe, posts a podcast about three or more objects or events you can see in the sky.

"We can use the Ring Nebula as our laboratory to study how planetary nebulae form and evolve." The so-called "planetary nebulae" is a misnomer that dates back to the 18th century, when the ...

Using more than 100 spectacular images from the Hubble Space Telescope, Cosmic Butterflies explores the beauty of the most mysterious celestial objects in space, planetary nebulae. The mystery begins ...

Challenging to find Intriguing come-and-go nebula Double star 16 Cygni: both like our Sun ...

Deep within the Orion Nebula, researchers are one step closer ... has intensified debate around the origin of free-floating, planetary-mass objects in star-forming regions. Stars typically form ...