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Dark Skies Over the Great Basin
Published September 2, 2025
Far from large urban areas, Great Basin National Park offers unencumbered views of the night sky and opportunities to study distant stars and exoplanets.
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Fire Burns Through Olympic Wilderness
Published August 15, 2025
The Bear Gulch fire spread through dense forest and filled skies with smoke in northwestern Washington state.
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Browns Canyon National Monument
Published August 13, 2025
The remote and rugged landscape in central Colorado is known for outdoor recreation by day and exceptional stargazing by night.
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Fires Rage in Arizona
Published July 14, 2025
Two lightning-ignited fires near the Grand Canyon became large and destructive in July 2025.
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Iliamna Volcano Ready to Rumble
Published June 23, 2025
The glacier-covered Alaskan peak has a history of frequent, large avalanches.
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The Arches That Salt Built
Published May 10, 2025
A layer of salt called the Paradox Formation played a crucial role in the formation of thousands of arches within Utah’s Arches National Park.
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Sand, Stone, and Sea Life at Dry Tortugas
Published April 26, 2025
The national park west of mainland Florida includes a smattering of islands, but the vast majority of the park’s acreage lies underwater.
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Moonscapes of Idaho
Published April 24, 2025
The volcanic features and otherworldly landscape of Craters of the Moon National Monument and Preserve are apt training grounds for planetary exploration.
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The Drumlin Islands of Boston Harbor
Published April 23, 2025
A national recreation area and state park protect an archipelago made of glacial debris in eastern Massachusetts.
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Mountains Made of Fossils
Published April 22, 2025
The peaks in Guadalupe Mountains National Park—some of the highest in Texas—are made of a well-preserved fossil reef formed more than 250 million years ago.
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North America’s “Galapagos”
Published April 21, 2025
The Channel Islands off the coast of southern California support diverse ecosystems, with some plants and animals found nowhere else on the planet.
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Relics of a Red World in Bighorn Basin
Published April 17, 2025
Folds of rusted rock neighbor the Bighorn Canyon’s deep scar in the western United States.
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