Volcanoes

Roiling Poás Volcano
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Roiling Poás Volcano

The restless Costa Rican volcano sustains a hot, ultra-acidic crater lake that shares similarities to Martian environments.

Published May 27, 2025

Image of the Day Land Volcanoes

On-Again, Off-Again at Kilauea
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On-Again, Off-Again at Kilauea

The Hawaiian volcano has been spewing fountains of lava with remarkable frequency.

Published May 8, 2025

Image of the Day Heat Land Volcanoes

Nyamulagira Brings the Heat
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Nyamulagira Brings the Heat

Clouds parted to reveal fresh lava flows on the slopes of the East African Rift volcano.

Published Mar 12, 2025

Image of the Day Volcanoes Remote Sensing

River of Fire on Mount Etna
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River of Fire on Mount Etna

Lava coursed down the snowy slopes of Europe’s tallest volcano in February 2025.

Published Feb 19, 2025

Image of the Day Land Volcanoes Snow and Ice

A Growth Spurt for Home Reef
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A Growth Spurt for Home Reef

A small island in Tonga built by an underwater volcano in 2022 has grown larger.

Published Feb 14, 2025

Image of the Day Land Water Volcanoes