Once charted as a 'guest star' in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the ...

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

In the Helix Nebula, a star much like our own is dying. Its death, though, creates a spectacle for us to appreciate now we have the James Webb Space Telescope to observe it. Knots of bright gas, ...