It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a ...

OSLO--As the world swelters through record temperatures, scientists say an unusual culprit may be partly to blame: an underwater volcanic eruption off Tonga in the South Pacific last year. While most ...

Deep beneath the waves of the Pacific Ocean, a powerful force is stirring that has scientists watching more closely than ever ...

(Reuters) -An underwater volcano off Tonga erupted on Saturday, triggering tsunami warnings and evacuation orders in Japan and causing large waves in several South Pacific islands, where footage on ...

"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

The Pacific's hidden underwater volcano is on the brink of eruption, capturing the attention of scientists worldwide. Rising pressure beneath the seafloor indicates magma movement, as sensors report ...