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

As per NASA, the Cassiopeia A supernova remnant has been observed for more than 2 million seconds since the start of the ...

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 study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

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.

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 filament material is propelled outward from the blast site at a staggering speed of 1,000 kilometers per second.

From celestial fireworks caused by exploding stars to mesmerizing mosaics of distant nebulae, check out these 7 stunning ...

An artist’s concept of a supernova remnant called Pa 30—the leftover remains of a supernova explosion that was witnessed from Earth in the year 1181. Unusual filaments of sulfur protrude ...

Astronomers studying the site of a supernova seen 843 years ago have captured an image of the strange filaments left behind by the stellar explosion.