Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomical objects that ...

It’s one of the most common words used by astronomers—and two of them featured in the James Webb Space Telescope’s debut image package—but do you know what a nebula is?

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks ...

An important clue to which perspective was right seemed to be hidden in the nebulae—fuzzy smears of light ("nebula" means "fuzzy") whose nature had been a source of debate for centuries. Some were ...

The bright ring that gives the nebula its name is composed of about 20,000 individual clumps of dense molecular hydrogen gas, ... They were named for their fuzzy, ...

You can see the Ring Nebula for yourself. The Ring Nebula, also known as Messier 57, is more than 2,000 light years away, in the Lyra constellation.Discovered in 1779 by a French astronomer, it ...

The universe became a much bigger place after Hubble’s discovery, much to the dismay of astronomer Harlow Shapley, who believed the fuzzy nebulae were part of our Milky Way. Nearly 90 years ...