Blocks of carbon dioxide ice appear to carve mysterious gullies on Mars as they melt down dune slopes and blast away sand.

Discover Wyoming’s Killpecker Sand Dunes near Rock Springs — a vast desert oasis with golden dunes, volcanic towers, and ...

Journal of Applied Meteorology (1962-1982), Vol. 8, No. 6 (December 1969), pp. 874-883 (10 pages) It is suggested that helical roll vortices in the atmosphere are responsible for the formation of the ...

According to Earth scientist Dr. Lonneke Roelofs, test results showed how simulating a natural process on the red planet ...

Did life really exist on Mars after all? Unfortunately, there is no conclusive evidence for this yet. Nevertheless, it would ...

On a cold winter day in December 2007, a bulldozer flattened nearly 40 acres (16 hectares) of Inner Mongolia's Tengger Desert. It was the start of a unique experiment: For the first time, scientists ...

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists recreated these eerie, worm-like movements under Martian conditions. The ...

NASA's Mars Reconnaissance Orbiter (MRO), a spacecraft that has been exploring the planet for a long time, recently captured an intriguing image of sand dunes with remarkably round shapes using its ...

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Colorado's Great Sand Dunes National Park and Preserve is now bigger. That's thanks to the transfer of 9,362 acres of surrounding ranch land, as recently celebrated by Secretary of the Interior Deb ...