Jordan, a water-poor country that is 90-percent desert, on Thursday launched a project to turn its sand dunes into farming land to produce food using sun and sea water.
The Copernicus Sentinel-2A satellite brings us over northwest India with this false-colour image captured on 4 March 2017.
Volunteers have helped a disoriented 400-pound (180-kilogram) sea turtle make its way back to the ocean off the South Carolina coast.
Sand dunes pull double duty—offering a visual treat both for their undulating curves and their ability to attract birds and other wildlife, while affording protection from storm surges and the threat of rising sea levels.
Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere's history.
Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.
Rolling sand dunes in the expansive Rub' al Khali desert on the southern Arabian Peninsula are pictured in this image from the Sentinel-2A satellite.
One day, most likely, humans will visit Mars and begin to unravel its geological history and even determine if anything once lived there.
Dust storms are a common occurrence in the deserts of northern China, and has accumulated to great thicknesses to form the vast Chinese loess plateau. Researchers have attempted to locate the most important sources of this ...
The latest self-portrait from NASA's Curiosity Mars rover shows the car-size mobile laboratory beside a dark dune where it has been scooping and sieving samples of sand.