A dying red giant star and the remains of a stellar companion it shredded long ago have created a rare and short-lived planetary nebula.

The Helix Nebula, located 650 light-years from Earth, has baffled scientists for decades. The planetary nebula was created by a dying star that shed its outer layers of gas, leaving behind a small ...

Gazing into a planetary nebula 2,500 light-years away in space may remind people the sun will eventually die, too. WIll it also go out with a light show?

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our Butler night sky. As soon as it gets ...

This second star shapes the transformation into a planetary nebula, much as a potter shapes a vessel on a potter’s wheel.

New images from the James Webb Space Telescope have revealed intricate details of a dying star's final stages, NASA said Monday. The Ring Nebula images, featuring a glowing halo and vibrant colors ...

This star, which is hotter and brighter than the red giant it came from, illuminates and warms the escaped gas, until the gas starts glowing by itself – and we see a planetary nebula.

Scientists have been receiving X-ray signals from the Helix Nebula for decades, but now they believe it may hide a horrifying and grisly secret.