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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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Istanbul: A Turkish Delight
Published April 20, 2025
The large metropolis, fringed by scenic coastline, stretches across two continents.
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Stirrings at Mount Spurr
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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Dust Storm Sweeps Through Iraq
Published April 17, 2025
A thick dust plume in the Middle East dimmed skies and sent thousands to the hospital in April 2025.
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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
Folds of rusted rock neighbor the Bighorn Canyon’s deep scar in the western United States.
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Signs of the Season in Pine Island Bay
Published April 16, 2025
A major embayment in West Antarctica saw new sea ice growth in autumn 2025 amid older sea ice that had survived the austral summer melt season.
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Satellite Data Show Motion of Burma Earthquakes
Published April 15, 2025
NASA scientists employed a pixel-tracking method to reveal how much the ground shifted during one of the largest documented surface ruptures of its type.
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Singapore and Malaysia at Night
Published April 13, 2025
An astronaut orbiting over Southeast Asia captured a colorful photo of the lights from boats, ports, and other lit infrastructure.
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The Staying Power of Sardinia
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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Clouds Hover Over the Alaska Peninsula
Published April 14, 2025
Winds interacted with mountainous terrain to produce long, sharp-edged standing wave clouds.
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Blooming British Isles
Published April 10, 2025
The colorful North Atlantic waters visible around the archipelago in April 2025 are likely due to a mix of phytoplankton and suspended sediment.
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