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

When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese ...

A 3-D map of the strange remains of a supernova seen in 1181 traces the odd tendrils of gas that jut out for several light-years in all directions.

A new animated map sheds light on the superhot "zombie star" at the heart of a nebula leftover from a distant supernova witnessed by astronomers in 1181. The remains of the stellar explosion are ...

A 3D model of a ballistically expanding explosion The team around Cunningham and Caiazzo could study this strange supernova remnant in detail thanks to Caltech's Keck Cosmic Web Imager (KCWI ...

When stars explode as supernovas, they can cause serious cosmic carnage. Is Earth in any danger from any nearby stars?

A historical supernova documented by Chinese and Japanese astronomers in 1181 has been lost for centuries, until very recently. Yet, the newly found remnant shows some stunning characteristics ...

The researchers shared the results of their work, which provide new clarity about the structure of the supernova remnant, in a paper published October 24 in The Astrophysical Journal Letters.

The researchers shared the results of their work, which provide new clarity about the structure of the supernova remnant, in a paper published Oct. 24 in the Astrophysical Journal Letters.