Geologists today have a good understanding of Earth's interior, based on pioneering work by Isaac Newton and Danish seismologist Inge Lehmann in the late 17th century and early-to-mid 20th century, ...

Key Takeaways on Earth's Inner Core Earth's inner core is solid and blistering hot. For decades, scientists have known ...

Volcanic eruptions can destroy essential infrastructure, ground air traffic for days, wipe out entire cities, disrupt the ...

Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

In the 1990s, geologists discovered a thin layer surrounding Earth's outer core — a swirling ocean of liquid metal that surrounds the solid inner core. The layer, dubbed the E-prime layer, or E ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the ...

The Earth has two core layers: the inner core, a solid layer, and the outer core, a liquid layer. Surrounding the Earth’s core is the mantle. The newly discovered doughnut-shaped region is at ...

Scientists say they’ve confirmed Earth’s inner core has been slowing down. Here’s what it could mean — and why the topic has been the subject of fierce debate.

Some studies have suggested that they're material from the ancient Earth — either a layer of primordial unmixed rock from the planet's formation or a leftover hunk of the giant space rock that ...

Doughnut-shaped region found inside Earth's core deepens understanding of planet's magnetic field. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2024 / 08 ...