In a moment that felt ripped straight from the pages of a fantasy novel, a video of an eerie, black cloud drifting over ...

You’ll notice the clouds don’t look like the others in the area. For the date of April 11 Mystery Solved - These are orographically induced gravity wave clouds or stratocumulus lenticularis ...

Asperitas clouds are a distinctive, but relatively rare cloud formation that takes the appearance of rippling waves.

Ominous clouds overlooked portions of Tennessee on Thursday, April 3, as the National Weather Service issued a tornado watch for parts of the state. Footage from Julie Higgins shows what she described ...