A vast eruption beneath the southwest Pacific Ocean has been confirmed as the largest volcanic event ever recorded on the ocean floor. The 2012 explosion at the Havre volcano, near New Zealand, ...

“It was like a shotgun blast directly into the sky,” said one marine geologist. A New Zealand-led team of marine geologists investigating an underwater volcano that erupted on Jan. 15 in the Tongan ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...

How big can volcanic eruptions get on Jupiter’s moon, Io? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as an international team of scientists ...

A major Yellowstone eruption likely won’t happen for thousands, and potentially millions, of years. Scientists say that the ...