Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their ...

Globular cluster M15 hides within it a planetary nebula, Pease 1. Observers with large scopes and steady skies can find it.

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 ...

The Cat's Eye Nebula, a planetary nebula formally known as NGC 6543. According to NASA, "Observations suggest the star ejected its mass in a series of pulses at 1,500-year intervals.

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)) ...

The Cat's Eye Nebula, a planetary nebula formally known as NGC 6543. According to NASA, "Observations suggest the star ejected its mass in a series of pulses at 1,500-year intervals.

Nebulae are all but impossible to spot in the night sky, but you'd never know it. Through a telescope, they make the most jaw-dropping beauty shots. But what is a nebula in the first place?

A new study lends support to the notion that JuMBOs (Jupiter-mass binary objects) discovered by the James Webb Space ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

Astronomers have created a galactic masterpiece: an ultra-detailed image that reveals previously unseen features in the ...