In this image from NASA's Spitzer Space Telescope, "cometary knots" on the Helix Nebula show blue-green heads caused by excitation of their molecular material from shocks or ultraviolet radiation.

Cat's paw nebula: This image from NASA's Spitzer Space Telescope shows the Cat's Paw Nebula, so named for the large, round features that create the impression of a feline footprint. Webb snaps ...

This Hubble mosaic is the highest resolution image ever made of the entire Crab Nebula ... emission nebula and star-forming region, NGC 281. A shroud of thick gas and dust surrounds a bright young ...

This breathtaking image of the Helix Nebula was captured by NASA’s Spitzer Space Telescope. The Helix Nebula is the remnant of a star that was once similar to our Sun.

This is a far-away view of the Cat’s Eye Nebula. This image was captured by NASA’s Spitzer Space Telescope. Planetary nebula C22, nicknamed as Snowball Nebula is captured by NASA’s Hubble Space ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

Webb’s exquisite details reveal a chance, random alignment of a protostellar outflow and a distant spiral galaxy. When we ...

HH 49/50 is one of these impact sites. It was nicknamed the "Cosmic Tornado" due to its dramatic, swirling shape. Spitzer's ...

They explain: "Craving an ice cream sundae with a cherry on top? This random alignment of Herbig-Haro 49/50 — a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This collage of images from the Flame Nebula shows a near-infrared light view from NASA's ...