With the aid of high-powered telescopes, it's now known that many different types of nebula exist, but they tend to fall into just a few main classes. Many nebulae are formed by a supernova ...

Nebulae come in different types, such as emission, reflection, and dark nebulae. One of the most well-known and visible examples is the Orion Nebula. NASA uses cutting-edge telescopes and instruments ...

An international team of scientists has produced the clearest three-dimensional view yet of the Ring Nebula—one of the ... us to separate them from their different velocities.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Ring Nebula as captured in visible light by Hubble Space Telescope (left); in radio emission ...