An unseen obstacle in the cloud of gas around a supernova remnant 11,000 light years away is making the supernova’s blast waves lopsided, according to two recent studies. Two teams of astrophysicists ...

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 looks like ...

There’s something new and bright lurking in the night sky — and you can see it in your backyard. An amateur astronomer in Japan recently discovered a nova in the constellation Cassiopeia involving a ...

At around 7 P.M. JST on the evening of March 18, Japanese amateur astronomer Yuji Nakamura spotted something strange: A new point of light in the familiar constellation Cassiopeia the Queen.

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. A new ...

The inner nebula of the much-studied supernova Cassiopeia A is not moving smoothly outward. This has been discovered by astronomers from the University of Amsterdam and Harvard. The astronomers ...

The many sides of the supernova remnant Cassiopeia A. Located 10,000 light-years away in the northern constellation Cassiopeia, Cassiopeia A is the remnant of a once massive star that died in a ...