Tungsten (W), a hard, heat-resistant, and corrosion-resistant metal, is indispensable to modern high-tech industries—from ...

Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

These lavas were formed by partial melting of the mantle — the layer between the crust and the core.

Fiery volcanoes have belched up molten rock, hot ash, and gas since Earth formed billions of years ago.