Start Date: End Date: Published Date Data Date
The Ups and Downs of Lake Chad
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Published November 25, 2017
The once-great lake has lost most of its water and now spans less than a tenth of the area it covered in the 1960s.
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Sandy Lake, Northwest Ontario
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Published November 20, 2017
Fine clay sediment laid down by ancient glaciers gives color to modern lakes on the Canadian Shield.
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Salt Glacier, Zagros Mountains
Published November 13, 2017
Southeastern Iran is home to numerous salt domes and salt glaciers, which have been built over time by the movement of Earth’s crust.
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Sunrise over the Philippine Sea
Published November 6, 2017
Astronauts see sixteen sunrises every 24 hours.
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Lake Hazlett and Lake Willis
Published October 30, 2017
Ephemeral salt lakes and their mineral deposits add color and texture to the arid Australian Outback.
Colorado River Agriculture
Published October 23, 2017
Farms rise from a floodplain where the Mojave nation meets Arizona, Nevada, and California.
Barchan Dunes and Lagoons, Southern Brazil
Published October 16, 2017
Strong winds blowing in from the Western Atlantic sculpt the sand along the coast into distinctive crescent shapes.
White River, South Dakota
Published October 9, 2017
The river draws its name from the white sediment it carries down from the Badlands.
Southern Lights near the Great Australian Bight
Published October 2, 2017
Auroras show out atmosphere’s connection to the heliosphere—the solar system-wide atmosphere of the Sun.
Bridging the Bosphorus
Published September 25, 2017
The famous strait bisects Turkey’s largest city and marks the line between Europe and Asia.
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Crop Circles in Sharq El Owainat
Published September 18, 2017
Greenery sprouts from the Sahara Desert in Egypt thanks to the Nubian Sandstone Aquifer System.