A shield volcano is a type of volcano named for its low profile, resembling a warrior's shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels ...

Big, dark ocean waves were rolling our research ship from side to side. The Falkor is 83 meters long and weighs more than 2,000 metric tons, but a storm from Siberia that had just missed us was still ...

Earth has four main layers. Earth’s innermost layer is a solid core made from iron. It’s outer core is a molten mixture of iron and nickel. These layers are surrounded by Earth’s mantle, the mushy ...