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geophysics

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planetary science

Secrets of the Moon’s Permanent Shadows Are Coming to Light

By Jonathan O'Callaghan
April 28, 2022
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Robots are about to venture into the sunless depths of lunar craters to investigate ancient water ice trapped there, while remote studies find hints about how water arrives on rocky worlds.

geophysics

Scientists Unravel How the Tonga Volcano Caused Global Tsunamis

By Robin George Andrews
April 13, 2022
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The Tonga eruption in January was “basically like Krakatoa 2.” This time, geophysicists could explain the tiny tsunamis that cropped up all over the planet, solving a 139-year-old mystery about Tonga’s predecessor.

A 3D model showing red plumes in the mantle.
geophysics

A Massive Subterranean ‘Tree’ Is Moving Magma to Earth’s Surface

By Robin George Andrews
September 15, 2021
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Deep in the mantle, a branching plume of intensely hot material appears to be the engine powering vast volcanic activity.

Lava bubbling out of the top of a volcano.
geophysics

A Burp or a Blast? Seismic Signals Reveal the Volcanic Eruption to Come

By Robin George Andrews
June 1, 2021
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Scientists have begun to decipher the subtle signs that reveal how explosive a volcanic eruption is going to be.

Q&A

The New Historian of the Smash That Made the Himalayas

By Robin George Andrews
April 14, 2021
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About 60 million years ago, India plowed into Eurasia and pushed up the Himalayas. But when Lucía Pérez-Díaz reconstructed the event in detail, she found that its central mystery depended on a broken geological clock.

planetary science

Iceland’s Eruptions Reveal the Hot History of Mars

By Robin George Andrews
April 6, 2021
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The new volcanic fissures are more otherworldly than they first appear.

A mosaic of five microscope images of igneous rocks. The rocks are dappled with blue, pink, orange and multicolor inclusions.
geology

Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life

By Howard Lee
March 25, 2021
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New data indicating that Earth’s surface broke up about 3.2 billion years ago helps clarify how plate tectonics drove the evolution of complex life.

Blue faults of Cerberus Fossae
planetary science

Rumbles on Mars Raise Hopes of Underground Magma Flows

By Robin George Andrews
February 1, 2021
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Small and cold, Mars has long been considered a dead planet. But a series of recent discoveries has forced scientists to rethink how recently its insides stopped churning — if they ever stopped at all.

Graphical model of a cubic earth.
geophysics

Scientists Uncover the Universal Geometry of Geology

By Joshua Sokol
November 19, 2020
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An exercise in pure mathematics has led to a wide-ranging theory of how the world comes together.


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