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.
Biotechnology
Oct 11, 2016
0
1
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.
Space Exploration
Jul 1, 2016
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38
Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.
Space Exploration
Jun 8, 2016
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31
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.
Earth Sciences
May 24, 2016
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9
One day, most likely, humans will visit Mars and begin to unravel its geological history and even determine if anything once lived there.
Space Exploration
Apr 4, 2016
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18
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 ...
Earth Sciences
Mar 16, 2016
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9
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.
Space Exploration
Feb 1, 2016
0
35
Australia is renowned for once being home to a group of gigantic birds known as the mihirungs. These birds are distantly related to waterfowl and included the impressive Dromornis stirtoni, the largest bird ever known on ...
Archaeology
Jan 14, 2016
0
205
NASA's Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using only NASA satellite imagery and astronaut photography. In this image, the letter 'Y' is for yardangs, elongated landforms ...
Earth Sciences
Jan 1, 2016
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7
Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this image, acquired on Aug. 10, 2015, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance ...
Space Exploration
Nov 10, 2015
0
13
