HONOLULU (AP) — Hawaii’s Mauna Loa, the world’s largest active volcano, has started to erupt, prompting volcanic ash and debris to fall nearby, authorities said Monday. The eruption began late Sunday ...

"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

A volcano in Russia's far east on Wednesday spewed ash several kilometers into the sky, authorities said, putting on a ...

The largest active volcano in Oregon is being drilled into as part of an effort to create a cleaner energy source. Engineers are building a geothermal power plant that taps into the energy of the ...

The Ferrovia Circumetnea was built in the 19th century and loops around Mount Etna through lava flows, pistachio plantations and historic villages ...

Far beneath the forests and hot springs of the American West, the continent’s largest active volcanic system is rumbling in ways scientists are only now beginning to fully resolve. New seismic ...

Iceland's Vatnajökull Glacier is one of the most beautiful—and geologically important—places in the country.

A volcano in Russia's far east spews ash several kilometres into the sky, creating a spectacular display. The Shiveluch ...