Emission nebulae are glowing clouds of interstellar gas excited by hot, young stars within their folds. Because much of the emitted light is caused by intense ultraviolet radiation stripping electrons ...

In the silent expanse of space, a celestial butterfly made of stardust unfurls its radiant wings. The Butterfly Nebula – a ...

Emission nebulae are the subject of many of the most spectacular astrophotographs published in the last decade. Although there are many subcategories of nebulae, they all consist of interstellar gas ...

Some deep-sky objects stand on their own. Others pair up with notable companions. Occasionally, the surrounding star field ...

This spectacular image of the Orion Nebula, complete with its incredibly rich star-formation region, was obtained from multiple exposures using the HAWK-I infrared camera on ESO’s Very Large Telescope ...

Star Gazers host Trace Dominguez breaks down the 5 different types of nebulae. Star Gazers host Trace Dominguez breaks down the 5 different types of nebulae: emission, reflection, planetary, supernova ...

One of the largest emission nebulae in the far northern sky can be found in IC 1396, a bright glow in Cepheus that contains several complex objects. Among them are the red supergiant star Mu Cephei; ...

Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomical objects that can ...

A new telescope image reveals a distant cosmic gas cloud that looks like a curious chicken with his head tilted in wonder of the universe. The image, taken by the European Southern Observatory's (ESO) ...

Colorful and wispy Sharpless 2-296 forms the “wings” of an area of the sky known as the Seagull Nebula — named for its resemblance to a gull in flight. This celestial bird contains a fascinating mix ...