The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

A Perseid meteor blazes through the night sky near the constellation Cassiopeia, a celestial queen, in this eye-popping view. Astrophotographer VegaStar Carpentier took this stunning photo on Aug ...

More northern constellation Cassiopeia, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago. Hubble Space Telescope (HST), Spitzer Space ...

THERE are some constellations you only need to learn once, then you can spot them for the rest of your life. Others are more difficult to find, and you might need some help to work out what they are.

You need to know 38 different constellations to find all of them. If that seems daunting, there’s a cheat code. Just learn to spot three constellations: Cassiopeia, Crux, and Orion.

Pioneering Danish astronomer Tycho Brahe was in 1572 one of many who noticed an unexpected bright speck in the Cassiopeia constellation. Adding to the scientific shift started by Copernicus and ...