Sailors at Burnham Harbor are practicing for this weekend's Independence Cup, featuring three days of boat races on Lake ...

Mars is cold and has a thin atmosphere, so water freezes at its surface, and the planet’s ancient water is thought to have mostly been lost to space (at least 87% of it, according to NASA).

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 ...

This means that exposed liquid water must have flowed across Mars' surface at some point in its history. The ripples were present in two separate lakebeds in Gale Crater, which Curiosity has been ...

Wave ripples—the undulating lines in sandy shores that form when the wind pushes shallow water back and forth—are a common sight on Earth’s lakes and beaches. Now, NASA’s Curiosity rover ...