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

Colorful, massive, and mysterious - nebulae are some of the most stunning sights in the universe. But what exactly are they? In this video, we explore the science behind these cosmic clouds, how they ...

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

Learn more about how the Vera C. Rubin Observatory will capture more of our stunning universe.

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

This week, see zombie fungi trapped in an amber fossil, explore the sun’s hidden south pole, meet tool-using whales that ...