Earth's Surface and Interior
Surface & Interior Sub-topics
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…
The Huíla plateau, bounded by dramatic cliffs and chasms, stands above the arid coastal plains in the country’s southwest.
The colorful formations found in this bowl-shaped escarpment in southwestern Utah are the centerpiece of Cedar Breaks National Monument.
Satellites have tracked development over the decades as a small city in southern Nigeria grew to more than 2 million…
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,…
Late-season reds and browns swept across the Ozark Highlands in the south-central U.S.
The volcano on Russia’s Kamchatka Peninsula continues to erupt after centuries of quiescence.
An astronaut photographed the island’s striking mix of mountains, forests, and expanding urban areas.
