The three-person submersible was 8,200 feet deep in the Pacific when its occupants saw flashes of molten lava.

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one ...

The Poás volcano, one of Costa Rica's tourist attractions, erupted on Monday, April 21, spewing ash and smoke over 2,000 meters above the crater, the Volcanological and Seismological Observatory of ...

Poás Volcano shows signs of a slight decrease in its eruptive ... The escalating trade war between the United States and China is creating significant uncertainty for Costa Rica’s export-driven ...

Costa Rica's Poas volcano is spewing a massive column of smoke. Video credit: @yvesrochercostarica via Instagram ...

The recent eruptions of Poás Volcano have delivered a severe blow to the tourism ... The Volcanological and Seismological Observatory of Costa Rica (OVSICORI) reported over 200 high-frequency ...