International scientists reveal that magma transports gold from the mantle to the surface by means of a sulfur complex.

Volcanoes are cracks in Earth's crust that allow molten rock and hot gases to escape. According to the U.S. Geological Survey (USGS), there are about 1,350 volcanoes worldwide that have the ...

Rare Metal The metal iridium, which is similar to platinum, is very rare on Earth's surface but is more common in asteroids and in molten rock deep within the planet. Scientists have discovered ...

CONNOR: The surface of the Earth is called the crust and it is made up of different plates, pieces that fit together and float about on a layer of melted rock. This liquid rock, or magma ...