Human Presence

Winter Transforms the Mississippi River Delta
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Winter Transforms the Mississippi River Delta

A Gulf Coast storm followed by snowmelt in January 2025 temporarily increased the Mississippi River’s outflow, sending a surge of sediment through the delta and into gulf waters.

Published Sep 28, 2025

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The Erie Canal Turns 200
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The Erie Canal Turns 200

The colossal project created a valuable connection between the U.S. interior and the Atlantic Ocean when it opened in October 1825.

Published Sep 29, 2025

Image of the Day Water Human Presence

Reshaping the Forests Around Kisangani
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Reshaping the Forests Around Kisangani

Satellite data show decades of gradual but persistent change to forests around one of the Democratic Republic of the Congo’s largest cities.

Published Sep 22, 2025

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Traversing Buenos Aires at Night
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Traversing Buenos Aires at Night

The nighttime lightscape of Argentina’s largest metropolitan area reveals transportation corridors and variations in lighting types.

Published Sep 14, 2025

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Breaking New Ground in Mekele   
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Breaking New Ground in Mekele  

Researchers are using satellites to study development patterns in this fast-growing city in Ethiopia.

Published Sep 6, 2025

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