Deep in Central Oregon lies a short yet unnervingly narrow lava‑tube hike full of basalt corridors and tight passages where ...

The Mount Semeru volcano in Indonesia, located in East Java province, erupted on Wednesday, covering several villages with ...

Indonesian authorities evacuated over 1,000 people, including over 170 hikers, on Thursday after the eruption of its Semeru ...

Mount Semeru on the island of Java is one of Indonesia’s most active volcanoes. Its latest eruption forced hundreds to flee ...

Indonesian authorities say they are helping more than 170 climbers caught by Mount Semeru’s sudden eruption to return to ...

Indonesian authorities say they are helping more than 170 climbers caught by Mount Semeru’s sudden eruption to return to ...

Indonesia’s Mount Semeru erupted on Wednesday, sending towering clouds of ash, rock and hot gas cascading down its slopes and ...

High-lithium clays discovered in Nevada's McDermitt Caldera - a surface find that could transform the US clean energy chain.

Sicily on alert: a new study reveals that a simple seismic earthquake index can predict the rise of magma beneath Mount Etna.

Several breathtaking U.S. monuments and wilderness areas may soon earn the coveted title of national park, joining America's ...