A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

The Poás volcano, one of Costa Rica's most popular tourist attractions, erupted suddenly on Monday, arousing the interest of ...

This striking satellite photo shows a barren Mars-like volcano lurking in the heart of the Costa Rican rainforest. The alien landscape contains a super-acidic lake that is a "paradise" for extreme ...

Mouth A of Costa Rica’s Poás Volcano continues to release gases so hot that incandescence is visible even during the day—a rare phenomenon not previously documented, according to the Volcanological ...

Illustrative Purposes Only (Courtesy of Raúl Mora/National Seismological Network) Although Poás Volcano has entered a more stable phase and the alert level has been lowered to green, the national park ...