Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

NASA plans to launch a mini satellite into Earth's orbit that could revolutionize astronomy as we know it.

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

The James Webb Space Telescope has captured stunning images of Sagittarius B2, a massive molecular cloud near the Milky Way's ...

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

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