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

Astronomers captured the clearest view yet of Pa 30, the likely remains of a stellar explosion witnessed nearly 850 years ago ...

Peering deeply into the cosmos, NASA's James Webb Space Telescope is giving scientists their first detailed glimpse of supernovae from a time when our universe was just a small fraction of its current ...

The only known supernova remnant of its kind in the Milky Way has an unexpectedly intricate structure: chains of gas knots ...

For only the second time, astronomers are confident they have witnessed the outburst of radiation at the start of a supernova. What came afterwards, however, was totally unexpected, and it may have ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) captured a curious sight in a region 3.6 billion light-years away from Earth: A supernova that appears three times, at three different ...

When one supernova commenced, it looked like an olive — at least before it got shaken and stirred. This insight, reported in the Nov. 12 Science Advances, comes from new observations taken in the wake ...

WASHINGTON (Reuters) – The explosive death of a star – a supernova – is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious. Scientists ...