Add Yahoo as a preferred source to see more of our stories on Google. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Mark Garlick/Science Photo Library/Getty Images When the bright star Betelgeuse explodes, ...

Axions are the most likely candidate for enigmatic dark matter that dominates the universe. Astrophysicists are searching for evidence of high-mass axions produced during supernovae. Scientists ...

The James Webb Space Telescope has caught what appears to be the earliest supernova humanity has ever seen, a stellar death flash from a time when the universe itself was still in its cosmic childhood ...

The James Webb Space Telescope has captured some bizarre imagery of an exploding star that, for some reason, kept repeating itself. In a press release, NASA said that new Webb images of what ...

One of the biggest questions in the scientific world right now revolves around something we can't see, and can't directly detect in any other way either. Based on the movements of galaxies, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For six months in ...