Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle ...

Here’s what you’ll learn when you read this story: Researchers in England believe carbon played a key role in freezing Earth’s core. As it contributes to the cooling and freezing of the molten outer ...

Researchers in England believe carbon played a key role in freezing Earth’s core. As it contributes to the cooling and freezing of the molten outer core, the solid, iron-rich center of Earth continues ...