Silting the Cold Sea

Silting the Cold Sea

Greenland’s glaciers grind rock into a fine powder that discolors meltwater and often makes beautiful patterns as it mixes with seawater.

Published Nov 29, 2021

Image of the Day Land Water Snow and Ice

A Seasonal Emerald in the Sahel

A Seasonal Emerald in the Sahel

The Inland Delta of the Niger River is one of the world’s most productive wetlands.

Published Nov 28, 2021

Image of the Day Land Water Remote Sensing

Indonesia’s Twin Peaks

Indonesia’s Twin Peaks

Mount Sundoro and Mount Sumbing are symmetrical, cone-shaped peaks in Central Java.

Published Nov 27, 2021

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Namib Sand Sea

Namib Sand Sea

The oldest desert on Earth also gives rise to some of the planet’s tallest dunes.

Published Nov 26, 2021

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Paleozoic Plymouths

Paleozoic Plymouths

Plymouth, Massachusetts, and Plymouth, England, share a historical connection even older than the first Thanksgiving.

Published Nov 25, 2021

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