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.

When the bright star Betelgeuse explodes, it will be an impressive sight. The stellar explosion, known as a supernova, will be brighter than any planet and almost as bright as the full moon.

Astronomers’ best view yet of the aftermath of a “guest star” supernova seen in 12th-century China and Japan has revealed one of the strangest objects in the heavens. It consists of hundreds ...

Pauline Black of ska royalty The Selecter performing at the 10th Supernova International Ska Festival in Virginia. (Credit: Heather Augustyn) It might sound like the plot of a movie. You know the ...

A celestial light show illuminates a distant spiral galaxy, where a hidden supernova briefly outshines its stellar neighbors in a new image from the Hubble Space Telescope. The galaxy, called NGC ...

In the year 1181 CE, the sky exploded. That star was a supernova, the violent eruption as a dead white dwarf star accrued so much mass from a binary companion that it exceeded critical mass and blew ...

SN 1181 linked to Pa 30 nebula reveals a rare “zombie star.” Advanced imaging uncovers unique filaments expanding from the core. Findings challenge existing theories about supernova explosions.

Adidas has done it again! The Supernova Rise 2, the latest addition to the brand’s comfort-focused running shoe franchise, has officially landed – and it’s bringing some serious upgrades to ...

In it, the “behemoth” star appears to puff out gas and dust, a critical final step before exploding in a supernova. The star, known as WOH G64, is 160,000 light-years from Earth in the Large ...

These are CNET editors’ top picks for best desktop computers, including both Macs and Windows PCs, plus advice on what you should look for in your next desktop. Matt Elliott is a senior editor ...