Gravity wave clouds form in wave-like patterns in sky, oftentimes resembling ripples in a body of water from a rock being thrown. These types of clouds are created from air in the atmosphere coming ...

Last year, onlookers observed a startling site on China’s Qiantang River: waves forming a grid-like pattern. Dubbed the “matrix tide,” this complex wave pattern was caused by the river’s famed tidal ...

Have you ever gazed up at the sky and seen clouds that resemble waves in an ocean? These aren't your everyday fluffy cumulus clouds or storm clouds. These are gravity wave clouds -- a fascinating ...