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Puffs of low-level clouds mingle with the volcanic terrain of Candlemas and Vindication islands in the remote South Atlantic.
A rare tropical cyclone dropped torrential rains on the Indonesian island, fueling extensive and destructive floods.
In its first documented eruption, the Ethiopian volcano sent a plume of gas and ash drifting across continents.
From Alaska’s Saint Elias Mountains to Pakistan’s Karakoram, glaciers speed up and slow down with the seasons.
Satellites have tracked development over the decades as a small city in southern Nigeria grew to more than 2 million…
The ancient walls, ramparts, and ditches that wind through this Nigerian city are the longest known earthworks of the pre-mechanical…
In southeastern Libya, Jabal Arkanū’s concentric rock rings stand as relics of past geologic forces that churned beneath the desert.
The tart berry and state fruit brings a red pop to holiday feasts—and to satellite images of Midwestern marshlands.
Over millions of years, water has sculpted limestone in northern Vietnam into an extraordinary karst landscape full of towers, cones,…
