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Mountains Made of Fossils
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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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Stirrings at Mount Spurr
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Published April 19, 2025
Despite its stately and serene appearance, the Alaskan volcano has shown signs of activity since spring 2024.
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The Staying Power of Sardinia
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Published April 12, 2025
One of the largest islands in the Mediterranean, this region of Italy has developed a cultural and natural heritage all its own over the millennia.
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