A witch appears to be screaming out into space in this new image of the Witch Head nebula from NASA's Wide-Field Infrared Survey Explorer, or WISE, released on Halloween (Oct. 31, 2013). [Read the ...

The Soul Nebula (IC 1848) is a large star-forming region in the Cassiopeia constellation. It's about 7,500 light-years away and spans 300 light-years across. Several small star clusters are located ...

Astronomers have found an enormous, glowing blob of gas in the distant universe, with no obvious source of power for the light it is emitting. Called an “enormous Lyman-alpha nebula” (ELAN), it is the ...

A nebula is a luminescent giant cloud of dust and gas in space that could be from a supernova or could be a star-forming region. The "dumbbell nebula," also known as Messier 27, is what astronomers ...