The stunning region seen here is known by many names — including Messier 17 (M17), the Swan Nebula, the Checkmark Nebula, or the Horseshoe Nebula — but perhaps the "Omega nebula" is the most ...

July 31–August 7, 2014: The Omega Nebula (M17) in Sagittarius and Graff’s Cluster (IC 4756) in Serpens offer small-telescope owners nice views, while large-telescope owners can seek out ...

The centre of Messier 17 alone contains over 800 stars. Many nascent stars are still hidden, buried deep inside the nebula's veil of dense clouds. Loading YouTube content ...

The nebula has several different monikers, including the Swan Nebula, the Horseshoe Nebula and the Lobster Nebula. It is also officially catalogued as Messier 17 (M17) and NGC 6618.

The Crab Nebula, also known as Messier 1 (M1), is one of the brightest supernova remnants in the sky. As the name supernova remnant suggests, it's the leftovers from a star's explosive death.

The Ring Nebula is the sky’s most famous example of a planetary nebula. Messier described it as “very dull, but perfectly outlined; as large as Jupiter and looks like a fading planet.” ...

The plenary nebula about 2,600 light-years away can be seen with backyard telescopes and boasts stunning colors. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY ...

The Ring Nebula, also known as Messier 57, is more than 2,000 light years away, in the Lyra constellation. Discovered in 1779 by a French astronomer , it doesn't take a fancy instrument for an ...