Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

Believe it or not, Cassiopeia does contain galaxies, and our next object is proof. It's irregular galaxy IC 10, which you can find by looking 1½° east of Caph. If you knew nothing about IC 10 ...

Have you ever seen the Andromeda galaxy? Go outside after dark this month and look high up in the northeast sky and you’ll find the W-shaped constellation of Cassiopeia. Think of its second V ...

The galaxy in question is the famous Andromeda ... In Greek mythology, Andromeda is the daughter of the king Cepheus and his wife Cassiopeia. Both of those constellations are close to the ...

One of the youngest supernova remnants in our galaxy, Cassiopeia A glows with the energy of a star’s final breath.

There is a lot of complicated but beautiful physics in understanding how this explosion takes place,” says Purdue University astronomer Danny Milisavljevic, who led the team behind the JWST images.