Around 800 million years ago, during the Tonian period, the Yangtze Block in South China experienced significant tectonic ...

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.

Examining how plates move in Earth's mantle and how mountains form is no easy feat. Certain rocks that have sunk deep into Earth's interior and then returned from there can deliver answers.

The extreme temperatures of the Earth's interior -- around 10,000 degrees Fahrenheit (5,537 Celsius) at the core -- and the accompanying crushing pressure, which is millions of times more than at ...

Planetary scientists like me think the best way to learn about inner Earth is in outer space. NASA's robotic mission to a metal world is scheduled for liftoff on Oct. 5, 2023. That mission, the ...

Seismologists have recognized since the 1970s that two mysterious continent-sized blobs reside in the deepest part of Earth's mantle, one under Africa and the other under the South Pacific region.

Earth scientists have long known that the dominant mineral olivine in Earth’s outer shell, compresses into another mineral named wadsleyite at 410 km (255 mile) depth, which then changes into ...

Officials are warning people to stay away from beaches and waterways in a small California city near the border with Oregon ...

Earth's InteriorThe Earth's mantle retains traces of primeval materials that are older than the moon, which formed a scant 100 million years after the solar system's coalescence.

The evolution of our Earth is the story of its cooling: 4.5 billion years ago, extreme temperatures prevailed on the surface of the young Earth, and it was covered by a deep ocean of magma.