The supernova SN1181 appeared in the night sky in AD 1181, and its nebula continues to shine. NASA’s Wide-field Infrared Space Explorer captures the nebula in infrared light.

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

Astronomers have found a leftover 'zombie star' from a supernova that once shone in the night sky a thousand years ago. For six months in 1181, a dying star left a mark in the night sky.

TWO new stars have suddenly appeared in the night sky, caused by some of the most powerful explosions in the universe. Two ...

With no sign of a supernova throughout this period, the researchers concluded that roughly 98% of the star's mass collapsed, leaving behind a black hole with about 6.5 solar masses.

How to find T Coronae Borealis, the 'Blaze Star,' in the night sky. ... Instead, the pattern of build-up and explosion continues to repeat. This differs from a supernova, ...

(CNN) — For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical ...

A new study has described in detail a dying star initially recorded in 1181. The object may belong to a rare class of supernovas that leaves behind a “zombie star.” ...