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 Owl Nebula is an example of a planetary nebula — a type of object that yields glimpses of stellar death in slow motion.

Most planetary nebulae are round — or close to it — but the Robin’s Egg Nebula (NGC 1360) in Fornax stretches that rule. It appears twice as long (6.5′) as it is wide, with the long axis ...

Planetary nebula: The Helix Nebula This is composed of expanding gas that was blown off by a star as it collapsed to a white dwarf. (Image credit: NASA, ESA, J. Hester, A. Loll (ASU)) ...

Images of two iconic planetary nebulae taken by the Hubble Space Telescope are revealing new information about how they develop their dramatic features. Researchers from RIT and Green Bank Observatory ...

Planetary nebulae are expanding gas shells that remain after Sun-like stars eject their outer layers at the end of their lifetimes. Skip to main content. Your source for the latest research news.

Abell 78 is a planetary nebula located in the constellation of Cygnus. Photo Credit: NASA. Prawn Nebula, also known as IC 4628, is an emission nebula located in the Sagittarius Arm of the Milky Way.

As one expert says, "We always knew planetary nebulae were pretty. What we see now is spectacular." Space. The Ring Nebula comes into focus, and it's astounding. August 4, 2023 1:40 PM ET. By .

A planetary nebula is an astronomical object consisting of a glowing shell of gas and plasma formed by certain types of stars at the end of their lives. They are in fact unrelated to planets; the ...

A planetary nebula is what’s left over when a sunlike star sheds its outer envelope of gas. Radiation from the stellar core, now exposed, sets the expanding shell of gas aglow, ...

A nearby planetary nebula shines like a huge golden eye in a new photo snapped by a telescope in Chile. The image shows the Helix Nebula, which lies about 700 light-years from Earth in the ...