Rio Tinto named Simon Trott, who heads the company's most profitable iron ore unit, as its new chief executive on Tuesday, ...

I set out alone to hike one of the most epic trails in Central America—Acatenango Volcano. In this video, I take you along for the full journey: steep climbs, freezing temperatures, and jaw-dropping ...

A false-color satellite photo from 2023 shows a devilish pair of lava flows and an enormous plume of smoke spewing from ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.