This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

The Hubble Space Telescope searches the universe to understand how planets, stars, and galaxies form. Recently, it captured ...

Hubble captures three infant stars lighting up a blue nebula, with a secret protostar forming in a shadowed disc below.