Earth's Surface and Interior
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Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.
Oklahoma’s Salt Plains National Wildlife Refuge attracts rare and diverse species—and enthusiasts looking for a distinct type of crystallized gypsum.
The hill-shaped features are a sign of explosive volcanic activity—a rarity on the Red Planet.
Cortina d'Ampezzo, flanked by steep-sided mountain peaks, is the site of several skiing and sliding events in the 2026 Winter…
A dusting of white highlighted the Colorado Plateau around the deep gorge, while shadows created a visual illusion.
From autumn color to a winter-white finish, forested areas around Blacksburg trade foliage for snow over the span of two…
Very wet—but very warm—weather in the western U.S. has left many mountainous regions looking at substantial snowpack deficits.
The expansion of greenhouses in southern Ontario is changing the appearance of the land surface—and the night sky.
An increasingly flammable landscape combined with more lightning strikes is leading to larger, more frequent, and more intense fires than…
