Snow melt detected: Satellite images show dark ash and debris channels where volcanic heat has melted snow on Shiveluch’s slopes. Lava dome growth: A viscous lava dome inside the caldera has been ...

Those scientists saved countless lives, but their forecast was more of an educated guess than it might have appeared. It was ...

Tiny crystals suggest extinct volcanoes could still grow underground, a finding that could reshape how scientists assess eruption risk.