Planetary scientists have captured an image of near-perfectly circular sand dunes on the surface of Mars. While sand dunes across the Red Planet come in a wealth of shapes and sizes, such well ...

Here’s how it works. NASA's Mars Reconnaissance Orbiter (MRO) has captured stunning images of almost perfectly round sand dunes on the surface of the Red Planet. While sand dunes of all shapes ...

A probe orbiting Mars produces photos of “almost perfectly circular” sand dunes on the planet, mystifying researchers. NASA/JPL-Caltech/University of Arizona ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Sand dunes are not uncommon on the surface of Mars. However, during observations to see ...

While sand dunes may be quite common on Mars, it is strange for them to form circles which are nearly exact, said geologist Alfred McEwen, who has been examining the photo from NASA's Mars ...

Images of “almost perfectly circular” sand dunes on Mars that ... a communications bridge for other Mars missions to Earth. It also recently discovered a strange geological structure on ...

These small ripples group into larger sand waves, about 30 feet (9 meters) apart, that radiate outward from the dunes. Related: Stunning new Mars photos explore the solar system's largest canyon ...

Nevermind earthly crop circles, space scientists are scratching their heads over the discovery of near-perfectly round sand ... Mars Reconnaissance Orbiter, with the images suggesting these ...

Mysterious "almost perfectly circular" sand dunes have been spotted on Mars by cameras on a NASA spacecraft, leaving scientists scratching their heads. While sand dunes may be quite common on Mars ...