Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

We don't even know how old it is. Luckily, mineral physics is bringing us closer to solving the mystery. The inner core is responsible for Earth's magnetic field, which acts like a shield ...

We don't even know how old it is. Luckily, mineral physics is bringing us closer to solving the mystery. The inner core is responsible for Earth's magnetic field, which acts like a shield ...

We don’t even know how old it is. Luckily, mineral physics is bringing us closer to solving the mystery. The inner core is responsible for Earth’s magnetic field, which acts like a shield ...

This week, see how gold is leaking from the planet’s core, watch sharks sharing a communal meal, unearth Egyptian tombs, and ...

Mysterious seismic signals from massive North Atlantic storms are rippling through Earth’s core and surfacing in remote ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Deep inside Earth ...

Literature and lore involving Earth’s core have filled the knowledge void ... it’s moving by measurable amounts and it’s a mystery,” Vidale said. “We’re making progress and seeing ...

Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...

Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...