And, while NASA's various Mars rovers have uncovered signs that such water once existed on Mars, there's perhaps no better evidence of an ice-free, shallow lake than these two sets of ripples in ...

As Great Salt Lake's levels continue to sag, yet another strange phenomenon has surfaced, offering Utah scientists more ...

Cellphone footage shot by a tourist visiting Lake Tianchi in northwestern China purportedly shows a 50-foot-long "monster" swimming beneath the water surface. There has been multiples sightings of ...

Curiosity Rover Spots Ancient Water Ripples on Mars, Hinting at a Past With Shallow, Ice-Free Lakes The 3.7-billion-year-old formations in the planet’s Gale Crater suggest the presence of long ...

We asked our readers to send in their best pictures on the theme of "ripples". Here is a selection of the photographs we received from around the world. Łukasz Wojtylak: “Flowers by the city ...

In the summer, Lake St. Clair's water is a beacon for boaters, anglers and swimmers. In the winter, it provides a frozen floor for ice fishing and snowmobiling. Its 31.5-mile coastline offers ...

"The shape of the ripples unequivocally indicates the presence of water in lakes that was subjected to wind influence". Ancient wave ripples in Mars indicate the presence of an ancient lake with ...