Wave ripples, like the ones observed, form when water flows over loose sediment, creating patterns that reflect interactions ...

It is typical for dust to move across the Atlantic every year in early summer, WKMG reports. The National Oceanic and Atmospheric Administration says it is called the Saharan Air Layer, which is "a ...

Sand ripples are symmetrical ... to propose something so radically new in a field I have been studying for over 20 years. It is exciting to go out and try to find on Earth what can clearly ...