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?

First, the basics: A nebula is a giant cosmic cloud of gas and dust. The word 'nebula' comes from Latin, meaning "little mist." Before telescopes existed, astronomers considered all such faint ...

SCIENTISTS released a photo showing the first glimpse into other galaxies, including the dying nebula. The image was taken from Nasa’s James Webb Space Telescope revealing never before seen ...

NASA has explained what a nebula is in a new blog post while also showcasing four incredible images of nebulae taken by Hubble.