Have you ever found yourself in a museum's gallery of human origins, staring at a glass case full of rocks labeled "stone ...

Kilauea has erupted for the 19th time in four months. An eruption of the volcano began on Thursday night, before ending about ...

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an undersea volcanic mountain chain.

Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black ... of volcanic rock and lava ...