This stunning image of sandy dunes on Mars is a great example. The photo was snapped by the HiRISE camera built into NASA’s Mars Reconnaissance Orbiter, and it’s immediately apparent that what ...

Specifically, blues dunes on Mars. If not, have no fear. NASA's got you covered. On Thursday, the U.S. space agency released a breathtakingly beautiful photo alongside a post titled, "Blue Dunes ...

Go back a mere four billion years, and Mars could have been the perfect destination ... detected by the rover were ancient rivers or sand dunes. "Beaches simply fit the observations the best ...

“I do not think that we can be certain that the observations could not be explained by dune processes,” or the formation of sand dunes, which Forget said he believes to be more likely on Mars.