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A pressure ridge forms on the sea ice near Scott Base in Antarctica.

Unexpected Ice

Sea ice in the Southern Ocean defies predictions.
Feature Article
Dec. 28, 2020
Curved barchan dunes and a straight seif dune lie in the north polar region of Mars, where the first significant change to sand dunes was detected in 2008.

Unearthly Dunes

Slow-moving landforms in Alaska decipher the frigid surface of Mars.
Feature Article
Dec. 28, 2020
Malayan tapirs are primarily nocturnal, so camera traps usually catch them at night.

Trapping Tapirs

An endangered species emerges from the shadows.
Feature Article
Dec. 28, 2020
This aerial view shows Spectacle Reef Light on the northwest side of Lake Huron, 11 miles east of Bois Blanc Island. (Courtesy US Coast Guard)

To the Lighthouse

Where is the water going in the Great Lakes?
Feature Article
Dec. 28, 2020
Person walking through flooded streets after Hurricane Sandy

Time and Tide

Scientists pit nature against nature to protect New Yorkers from storms.
Feature Article
Dec. 28, 2020
Image of icy mountains

The Un-Ice Age

Earth’s remaining ice sheets head for the ocean.
Feature Article
Dec. 28, 2020
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