The Orion Nebula Cluster is just 2.5 million years old. It's full of young stars and gas, actively forming new suns. Pleiades ...

The Heart Nebula, cataloged as IC 1805 and also sometimes called the Running Dog Nebula, is a large star-forming region in ...

The Orion Nebula, the Pleiades and the Hyades open clusters could represent the different phases of star clusters: baby, ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume ...