Emission Nebulae Emission nebulae are so named because they emit their own light. This type of nebula forms when the intense radiation of stars within or near the nebula energizes the gas. A star’s ...

The North America Nebula (NGC 7000) and the Pelican Nebula (IC 5070), located in the constellation Cygnus, are prominent emission nebulae. These nebulae are separated by a dark dust lane and are ...

July’s night skies are legendary for their sheer abundance of celestial objects such as immense star clouds, light and dark nebulae, crowded clusters and oddities. Daniel Zantzinger / Skywatcher's ...

Hubble Telescope image of the Horsehead Nebula. Credit: T.A.Rector (NOIRLab/NSF/AURA) & Hubble Heritage Team (STScI/AURA/NASA) Nebulae are all but impossible to spot in the night sky, but you'd never ...

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.

Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features. Researchers from Rochester Institute of ...

The Hubble Space Telescope may be experiencing problems this week, but it continues to offer a massive trove of data for astronomers to explore — including this week’s image of the beautiful and ...

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 ...

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 ...

Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features. Researchers from Rochester Institute of ...