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

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; ...

This image taken with the NASA/ESA Hubble Space Telescope showcases the emission nebula NGC 2313. Emission nebulae are bright, diffuse clouds of ionized gas that emit their own light. ESA/Hubble, R.

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 ...

The Hubble Space Telescope has captured a stunning view of the Prawn Nebula floating through deep space. The Prawn Nebula, formally known as IC 4628, is an emission nebula located 6,000 light-years ...

The Trifid Nebula (M20) is the trifecta of deep-sky objects: It combines a blue reflection nebula with an emission nebula glowing in red Hydrogen-alpha (Hα) light, all divvied up by opaque lanes of ...

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 massive cloud of dust and glowing gases speckled with newborn stars in the shape of a seagull shines in a stunning image captured by a telescope in Chile. A new photo from the European Southern ...