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Ahuachapán and Its Restive Neighbors
3 min read

From a geothermal hotspot to the one-time “Lighthouse of the Pacific,” the heat is on beneath the volcanic landscape of…

May 5, 2026
Article
Record-Setting Retreat of Hektoria Glacier
5 min read

Scientists relied on satellite data to understand how the Antarctic glacier lost so much ice so rapidly.

May 4, 2026
Article
Thailand’s Krabi Coast
3 min read

The coastal province features striking tropical karst landscapes and sandy beaches alongside a mix of natural land cover and developed…

Apr 20, 2026
Article
Eyeing the Richat Structure
3 min read

The circular geologic feature in northwestern Africa can be hard to recognize from the ground, but it is obvious when…

Apr 16, 2026
Article
Contours of the James Bay Lowlands
3 min read

After the Laurentide Ice Sheet retreated from present-day Hudson Bay, rebounding land has revealed striking nearshore topography.

Apr 15, 2026
Article
Snow in the Shadow of the Andes
2 min read

An early autumn storm left higher elevations in southern Argentina with a fresh and fleeting coat of white.

Apr 9, 2026
Article
A Volcanic Medley Near Mammoth Lakes 
4 min read

A massive, old caldera and more recently formed craters shape the landscape in the eastern Sierra Nevada.

Apr 8, 2026
Article
A Bit of Gray on an Emerald Isle
3 min read

Ireland is best known for its many greens, but the striking grays of the island's Burren region also stand out…

Mar 17, 2026
Article
Lake Coatepeque
3 min read

Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.

Mar 9, 2026
Article