Sand ripples are symmetrical. Yet wind -- which causes them -- is very much not. Furthermore, sand ripples can be found on Mars and on Earth. They would be even more fascinating if the same effect ...

The method, developed by researchers at the State University of Campinas in Brazil, uses images of dune surfaces to estimate ...

New research contends that the Milky Way alone is flush with billions of potentially habitable planets -- and that's just one sliver of the universe. Eric Mack has been a CNET contributor since 2011.

All eyes are on Jupiter as Juno dove into the gas giant’s orbit yesterday, but last week scientists announced an intriguing finding from Mars – close-up observations from NASA’s Curiosity rover ...

New data gathered by a Mars-orbiting probe suggest that large ripples in sandy areas of the Red Planet are more than twice as tall as their terrestrial counterparts. Single images taken from space ...

Observations made by NASA’s Curiosity Mars rover of active sand dunes have revealed clues about the history of Mars’ atmosphere, and special “wind-drag ripples” in the sand that are not seen on Earth.

Something strange is happening underwater, off the coast of Norway—and it’s not just another seafloor oddity. These odd structures, now called sinkites, are turning our understanding of Earth’s layers ...