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

A nebula where young stars sculpt dragon-like forms has been imaged in colorful detail by the Dark Energy Camera in Chile.

Sky This Week is brought to you in part by Celestron. Friday, July 18Mars remains close to Sigma (σ) Leonis, Leo the Lion's back foot, in the evening sky for several days. Shining at magnitude 1.5, ...