Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

In elementary school science class, we learned that the Earth has three main layers: the crust, mantle, and the core.In reality, the core—which is over 4,000 miles wide—has two layers: a ...

Beneath the Afar region's vast landscape in Ethiopia, scientists have discovered a powerful geological force that is ...

By testing different conditions, the researchers showed that these fragments would sink close to the core as long as their density was at least 2.5 percent higher than Earth's (1.25 percent more ...

Earth's inner core is a roughly 1,500-mile-wide sphere made mostly of iron and nickel. It sits inside the planet's liquid outer core, which itself is nestled beneath the mantle and crust.

Scientists discovered the true age of Earth's core, and it's older than they thought. Over the years, approximations for our planet's inner core have been all over the board, but most recently ...

Scientists discovered the true age of Earth's core, and it's older than they thought. Over the years, approximations for our planet's inner core have been all over the board, but most recently ...

Scientists discovered the true age of Earth's core, and it's older than they thought. Over the years, approximations for our planet's inner core have been all over the board, but most recently ...

Earth's core isn't exactly aligned with its mantle, which results in a cyclical wobble, new research finds. When you purchase through links on our site, we may earn an affiliate commission. Here ...

Scientists discovered the true age of Earth's core, and it's older than they thought. Over the years, approximations for our planet's inner core have been all over the board, but most recently ...

Scientists discovered the true age of Earth's core, and it's older than they thought. Over the years, approximations for our planet's inner core have been all over the board, but most recently ...