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

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

These small ripples in fine sand are formed by the action of small waves created as wind-driven water laps back and forth. According to Futura Sciences, geologists quickly identified the wave ...

Examine remarkable fossil evidence of long-ago events in the Last Impressions gallery. From 200-million-year-old wave ripples on beach sand to a petrified tree stump, dinosaur footprints, and a giant ...