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 ...

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 ...

But even with a name as bland as Messier 17, this flowery nebula still looks dazzling. Notes [1] This designation is also sometimes used for the entire star formation region.

A new image of Messier 78, a nebula located about 1,600 light-years away in the constellation of Orion, reveals stars and other features that in previous observations, had been hidden by cosmic ...

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.” ...

New images show the Lagoon Nebula, classified as Messier 8, located just 5,000 light-years from Earth, as teeming with star formation activity. The mix of gas and dust has made the nebula a ...

While most planetary nebulae are small and beautiful, there is no doubt that the Dumbbell Nebula (M27) is something special. Found by Charles Messier in July 1764, M27 was the first planetary ...