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 ...

Large pairs of planets thought to orbit each other without a star, do not exist after all. That conclude Leiden researchers, ...

The Orion Nebula, the Hyades and the Pleiades are visible to the naked eye. The star clusters are obviously examples of different stages of development.