A fiery force beneath the ocean is reshaping Tonga’s Home Reef, growing an island through eruptions over the past few years.

Satellites have detected large volumes of methane spewing from Mount Fentale’s crater following months of earthquakes that ...

Scientists on the AKMA3 ocean expedition discovered an exceptional underwater feature consisting of a mud volcano in the ...

This is the 10th episode of eruptive activity from Kilauea since Dec. 23, the Hawaiian Volcano Observatory said.