However, the term nebula still refers to a cloud ... Diffuse nebulas are one stage in the circle of life in the Universe. They are areas of cosmic gas and dust that cause stars to be born.

A planetary nebula like this one forms when a dying star ... As the jet, a stream of gas and dust, wobbled (or precessed), it outlined a circle that created the rings around the Cat’s Eye.

The Flame Nebula is one of many gems included in the Orion constellation, and astronomers have now captured a new perspective of this striking celestial feature. While the Flame Nebula appears to ...

(CNN) — Astronomers have used the James Webb Space Telescope for a fresh perspective of an iconic celestial favorite called the Ring Nebula. The new image captures never-before-seen details ...

(CNN) — The James Webb Space Telescope has captured wispy new details of cosmic gas and dust within the Crab Nebula, revealing insights into what happens in the aftermath of a massive star ...