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

By reconstructing a 700,000-year history of Methana volcano, geologists found a prehistoric phase when it appeared inactive on the surface, despite magma building up below ground ...

The Methana volcano sits at the edge of a Greek peninsula dotted with hot springs, small hotels, and roughly 2,000 permanent ...

(photoz/Canva) 'Extinct' volcanoes that haven't erupted for tens of thousands of years may not actually be inactive, but silently accumulating huge reservoirs of magma to fuel future outbursts. This ...

Romania’s Ciomadul volcano last erupted some 30,000 years ago, but as a new study published in Earth and Planetary Science Letters reports, between 5 to 14 cubic miles of magma still simmer below the ...

Volcanoes don't operate on human timescales. They may go quiet for centuries, only to rumble to life with devastating eruptions. Their eruptions may last for days or decades, and it's often hard to ...

The youngest eruption of the Methana volcano (brown) flowing into the sea, with limestone in the background. The Methana volcano in Greece appeared dormant for over 100,000 years, but magma was ...

A volcano that lies close to the border between Iran and Pakistan may be nearing an eruption again for the first time in more than 700,000 years, a study has suggested. Scientists say that the Taftan ...

The Toba supereruption 74,000 years ago was so massive it may have plunged Earth into years of darkness and cold, leading some scientists to believe humanity nearly went extinct. Yet archaeological ...