IC 3568, also known as the Lemon Slice Nebula, is notable among approximately 3,000 known galactic planetary nebulae for its exceptional symmetry and nearly perfect spherical morphology, ...

The two spiral arms winding towards the bright centre might deceive you into thinking you are looking at a galaxy a bit like our Milky Way. But the object starring in this image is of a different ...

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 Rochester Institute of ...

IC 418, designated the Spirograph Nebula, is characterized by double shells of gas hosting irregular clumps distributed along various ellipses, located approximately 2,500 light-years away and ...

Planetary nebulae have been studied for centuries, but astronomers are getting new looks and a better understanding of the structures and compositions of these gaseous remnants of dying stars thanks ...

Planetary nebulae represent a brief, yet illuminating, phase in the evolution of low- to intermediate-mass stars. These glowing shells of ionised gas are shed in the late stages of stellar development ...

Oh what a beautiful cosmic web we weave! This little cosmic creepy crawler is the Red Spider planetary nebula (formal designation NGC 6537). It can be found about 4,000 light-years away in the ...

Some 3,000 light years away, shimmering layers of gas formed an almost perfect sphere around the faintly glowing, burned-out core of a dead star. The result looks like a giant crystal ball floating in ...

Hubble Telescope image of the Horsehead Nebula. Credit: T.A.Rector (NOIRLab/NSF/AURA) & Hubble Heritage Team (STScI/AURA/NASA ...