The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

New research from North Carolina State University finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years ago. hese findings add insight into the geological ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.

Io, the innermost of Jupiter’s Galilean moons, remains one of the most volcanically active bodies in the Solar System. Its relentless activity is driven by tidal forces that flex the moon’s interior, ...

Add Yahoo as a preferred source to see more of our stories on Google. Three tiny glass beads, from a sample of 3,000 taken from the Moon, have revealed evidence of recent volcanic activity. Previous ...

Researchers have identified 138 candidate subglacial volcanoes hidden beneath the West Antarctic Ice Sheet, 91 of which had never been recognized before, raising serious questions about what happens ...