Astronomers have their eyes on a new ultrabright explosion in space: a Type II supernova in the Pinwheel Galaxy (also known as M101). A Type II supernova is the catastrophic end to a massive star's ...

A long-predicted type of cosmic explosion has finally burst onto the scene. Researchers have found convincing evidence for an electron-capture supernova, a stellar explosion ignited when atomic nuclei ...

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A new supernova has literally, and figuratively, "burst" upon the scene. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. During the last few days ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When a supernova ...