Millions of tonnes of ash and rock from an erupting Philippine volcano could bury nearby communities due to heavy rain, authorities said Saturday, as tens of thousands flee over fears of a deadly ...

Something stirred beneath Mount Rainier this summer, sending over 1,000 earthquakes through the ground in weeks—the largest swarm ever recorded at this towering volcano. Seismometers glowed with ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

Mount Rainier rises quietly over populated valleys, but its greatest threat is not lava or ash. A sudden collapse of ice and ...

Fears of storm surges and flooding, with landslides and volcanic mudflows possible on Luzon ...