It looked like a tornado, but one clue in this video told us it was a benign cloud known as a 'scud vacuum' instead.

Shelf clouds typically form along the leading edge of a thunderstorm. As the storm pushes out cool air in a downdraft, it ...

Have you ever seen what appears to be dark clouds raining down on Denver without feeling any moisture? This weather ...

A massive hydrogen cloud near Earth, Eos, was discovered glowing in ultraviolet light - offering new insights into star ...

The find shines light on how galaxies begin to turn gas and dust "into stars and planets," said astrophysicist Blakesley ...

Named Eos, the cloud of gas would appear huge in the night sky if visible to the naked eye and could shed light on solar ...

In a discovery that challenges conventional astronomical observation techniques, a team of researchers led by Rutgers ...