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

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.

The U.S. Interior Department is taking steps to recover above-ground critical minerals from existing and abandoned mine waste ...

Research outputs by subject area Subject Count Share Earth & environmental sciences 10 3.19 Physical sciences 1 0.43 ...

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.

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.

The moon, which orbits Earth at an average distance of about 239,000 miles (385,000 km), has a diameter of about 2,160 miles (3,475 km), a bit more than a quarter of our planet's diameter.

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 ...

A NASA-led study reveals a striking link between deep-Earth processes and life at the surface, suggesting that the planet’s churning molten interior could be subtly shaping the conditions for life.

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.

Ramaco Resources’ Brook Mine could become the second rare earth extraction operation in the U.S., but the minerals face an ...

The Earth is always moving. Here’s a less comforting one: Sometimes it moves violently — and Interior Alaska might be overdue.