Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images one year apart, the contrast shows how bright a supernova is, and how that ...

Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.