NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, revealing a red supergiant star before explosion.

For the first time, scientists determined the shape of a supernova's shock front as it burst through the surface of a dying star. Spotted erupting exceptionally early in April 2024 from 23.6 million ...

Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, SN 2024ggi, revealed a surprisingly olive-shaped blast when studied with ...

When a massive star dies, astronomers expect a familiar chemical script: hydrogen and helium on the outside, heavier elements buried deep within. The latest observations of a stellar explosion known ...