Rising more than twice the height of Mount Everest, Olympus Mons dominates the landscape of Mars and holds the title of the ...

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 ...

Hawaii’s Kilauea—one of Earth’s most active volcanoes—is bringing the drama. On December 6 lava fountains in the Halema‘uma‘u crater at the shield volcano’s summit spewed more than 1,000 feet into the ...