Cassiopeia (pronounced kass ee oh pee’ uh) the Queen is one of the first constellations amateur astronomers come to recognize. That’s because its five brightest stars form an asterism that ...

The Greeks added a nearby additional fainter star to the five main stars, so that the six together outline Cassiopeia's Throne. Want to see the celestial wonders surrounding Cassiopeia in the ...

Cassiopeia is one of the proudest constellations in the sky and stands out for its distinctive W- or M-shaped formation. It never drops below the Northern Hemisphere sky's horizon, so it's a great ...

An amateur astronomer in Japan recently discovered a nova in the constellation Cassiopeia involving a white ... That puts it barely inside naked-eye viewing under the best conditions (assuming ...

August is a great month to enjoy a night under the stars ... right of the dippers is an asterism that is part of the constellation, Cassiopeia. Looking east, it is easy to spot three bright ...

In the early morning of September 4, there was a brief meteor shower outburst visible over California and Arizona with a radiant in the constellation Cassiopeia. It was recorded by low-light video ...

Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years. This new image uses data from Webb ...