A composite image shows the remains of supernova SN 1181, a cataclysmic collision of two stars. The spherical nebula has at its center a hot white dwarf, or "zombie star," left behind after the ...

A new animated map sheds light on the superhot "zombie star" at the heart of a nebula leftover from a distant supernova ...

The search for visual evidence of the supernova, named SN 1181, went on for centuries before amateur astronomer Dana Patchick first discovered its remains in 2013.

When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese astronomers recorded it as a “guest star” in the Cassiopeia ...

The search for visual evidence of the supernova, named SN 1181, went on for centuries before amateur astronomer Dana Patchick first discovered its remains in 2013.

Failed detonation of a supernova. It took astronomers 840 years to solve SN 1181’s first great riddle — pinpointing its location in the Milky Way.

A composite image shows the remains of supernova SN 1181, a cataclysmic collision of two stars. The spherical nebula has at its center a hot white dwarf, or "zombie star," left behind after the ...

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 chronicles from ...

When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese astronomers recorded it as a “guest star” in the Cassiopeia constellation. Now, ...

When a supernova was seen glittering in the night sky for six months in 1181, it was so bright that Chinese and Japanese astronomers recorded it as a “guest star” in the Cassiopeia ...