Jessica Irving sits with two meteorites Princeton seismologist Jessica Irving

Seismologists use massive earthquakes to unlock secrets of the outer core

A picture of Amundsen Sea Embayment in West Antarctica with the ice sliced to show the bedrock and the earth cut to show the crust (brown) the bottom of the lithosphere (red area) and the mantle (yellow).

The bedrock below West Antarctica is rising surprisingly fast

Earth

Better model of water under extreme conditions could aid understanding of...

San Andreas Fault

Site of the next major earthquake on the San Andreas Fault?

Left: This is a digitalized 3D natural rock, Center: Spheres cloud representing pore topological features, Right: Persistence diagram.

Novel method for investigating pore geometry in rocks

A wet-dry scenario in a prebiotic hot spring or tidal pool.

Simple chemical process that may have led to the origin of...

Earth's crust, mantle and outer core interactions.

New insight into Earth’s crust, mantle and outer core interactions

Earth taken by the Apollo 8 astronauts on Dec. 22, 1968

Thank the moon for Earth’s lengthening day

A conceptual rendering suggests how Earth's land elevations and oceans may have appeared during the assembly of Kenorland, left, and later, right, after the Great Oxygenation Event. A University of Oregon-led study has potentially narrowed the window on when significant amounts of land emerged from under the ocean's surface.

Land rising above the sea 2.4 billion years ago changed planet...

Intensity at Earth's surface (left) and radial field (Br) at the CMB (right).

Earth’s magnetic field is not about to reverse

Snowball Earth

Was the Earth ever frozen solid?

Millstream National Park, Pilbara, Western Australia.

Why parts of Earth have barely changed in 3 billion years

Inside the target chamber at the University of Rochester's Omega Facility, a team of researchers including Princeton University's Thomas Duffy and June Wicks use lasers to compress iron-silicon samples to the ultrahigh pressures found in the cores of super-Earths.

Ultrahigh-pressure laser experiments shed light on super-Earth cores

Meteorite sample

Meteorite diamonds tell of a lost planet

Meteorites

Water appeared while Earth was still growing

Brewing up Earth’s earliest life

"Lava" Earth's mantle

Understanding the Earth under Hawaii

Using Argonne's Advanced Photon Source, researchers identified a form of water known as Ice-VII, which was trapped within diamonds that crystallized deep in the Earth's mantle.

Argonne’s powerful X-rays key to confirming water source deep below Earth’s...

The molecular structure of ice-VII (upper right) is shown with an artistic rendering of the Earth and a cutaway view of the inner Earth (right). Crystallized water, in the form of ice-VII, was found in diamond samples studied at Berkeley Lab.

Diamonds from the deep: Study suggests water may exist in Earth’s...

Diamond crystal

Unique diamond impurities indicate water deep in Earth’s mantle

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