Collaborative work by amateur and professional astronomers has helped to resolve a long-standing misunderstanding about the composition of Jupiter's clouds. Instead of being formed of ammonia ice -- ...

New research from a team of citizen scientists challenges the old idea that Jupiter's visible clouds are formed of ammonia ...

The cutting-edge observatory is charged with seeing some of the earliest visible light, and the recent image achieves a new ...

In November, Pettit captured the trail SpaceX's giant Starship megarocket made in Earth's atmosphere during its sixth-ever ...

If you saw light pillars shining down from the sky early Tuesday morning in Kansas City, don't fret. You're not crazy, you're ...

Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way.