Messier 87 (M87), also known as Virgo A or NGC 4486, is a supergiant elliptical galaxy in the Virgo constellation. It is one ...

Some were gaseous, star-forming regions, such as the Orion nebula, or M42 - the 42nd object in Messier's catalog - while others were star clusters such as the Pleiades, or M45. A third category - ...

Mark Messier did it all in a career that spanned 25 NHL seasons over four decades. He’s the only player in NHL history to captain two different professional teams to championships; he won five ...

An international team of scientists has produced the clearest three-dimensional view yet of the Ring Nebula—one of the night sky's most iconic celestial objects. The Ring Nebula is perhaps one ...

The Ring Nebula is perhaps one of the most photographed objects in the night sky, dating back to its first image in 1886. Its intrinsic structure has been debated for as long as it has been observed.