AS Hawaii's Kilauea volcano continues to release lava following two weeks of violent eruptions, now is a good a time as any to explore the science behind the rocky magma-spewers. And we've gathered ...

What sets volcanoes apart from other mountains is the manner in which they form. Volcanic eruptions are fueled by heat released from magma, a mixture of molten rock, suspended minerals, and dissolved ...

(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 ...

Lava is shooting 100 feet to 200 feet into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, lava is not threatening any homes ...