But have you heard of Pilot's Glory, the beautiful and rare rainbow phenomenon? Imagine soaring above a layer of clouds and suddenly ... that are required for its formation. In meteorological ...

As beautiful as they may be, PSCs can have a less-than-desirable effect on Earth’s environment by playing a key role in the ...

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 ...