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.

A dying star has never looked so lovely. The Gemini North Telescope atop Hawaii's tallest peak, Mauna Kea, captured the star in its last gasps. The image was released Thursday by the National Science ...