A rare rainbow “jellyfish cloud” was spotted in the sky above Weatherford, Texas, on Tuesday, April 15. Video filmed by Chad ...

A rover got a new view of some peculiar extraterrestrial clouds, flecked in rainbow colors and moving across the Martian sky. Curiosity, a set of NASA's robotic "eyes" on the Red Planet ...

Kelvin Helmholtz clouds are named after the two scientists who studied the physics behind them A rare cloud formation resembling waves in the sky has been seen across North Yorkshire. The billowy ...