There is something quietly disorienting about standing in the middle of a high desert and realizing the ground beneath your ...

Just north of Flagstaff, Red Mountain offers hikers a rare opportunity to explore the inside of an ancient volcanic cinder cone formed more than 700,000 years ago. Unlike the classic cone-shaped ...

(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

Kilauea is in a unique phase of activity in Halema‘uma‘u, with 12 episodes of dual lava fountains since Dec. 23, 2024. Several past eruptions have been characterized by similar lava fountaining ...

FLAGSTAFF — Just north of Flagstaff, Red Mountain offers hikers a rare opportunity to explore the inside of an ancient volcanic cinder cone formed more than 700,000 years ago. Unlike the classic ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...