The 1840s eruption created the Homunculus Nebula, transforming this binary star system into a unique object. Its cause remains unknown. The giant red nebula (NGC 2014) and its smaller blue ...

To celebrate this birthday, Hubble scientists have shared a new image showing the striking Little Dumbbell Nebula, also known ... to the end of its life as a red giant and threw off layers of ...

A red nebula resembling a seagull and a blue nebula resembling Thor's helmet have been captured in a photograph. The red nebula is a merger of two massive emission nebulae. The nebula at the head ...