At the heart of the double-lobed Toby Jug planetary nebula is the red-giant star HR3126, which at just 50 million years old, is considerably younger than the 4.6-billion-year-old sun. HR3126 ...

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

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 Butterfly Nebula, located just under 4,000 light-years from Earth in the constellation Scorpius, is a striking example of a planetary nebula, the end stage in the evolution of a small- to ...

The first planetary nebula ever discovered was spotted way back in 1764. They were once thought to be simple, round objects with a single, dying star at the center.

At the center of the nebula is the culprit of this mystery: the small, dim remaining core of a star called a white dwarf. It is this white dwarf, named WD 2226-210 and located just 650 light-years ...

How far away it is: 93 million miles (150 million km) ...