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geophysics

geophysics

A Universal Law for the ‘Blood of the Earth’

November 28, 2018

Simple physical principles can be used to describe how rivers grow everywhere from Florida to Mars.

geophysics

The Hunt for Earth’s Deep Hidden Oceans

July 11, 2018

Water-bearing minerals reveal that Earth’s mantle could hold more water than all its oceans. Researchers now ask: Where did it all come from?

Photo of a diver between two tectonic plates in Silfra. reykjavik. Iceland
geophysics

Why Earth’s Cracked Crust May Be Essential for Life

June 7, 2018

Life needs more than water alone. Recent discoveries suggest that plate tectonics has played a critical role in nourishing life on Earth. The findings carry major consequences for the search for life elsewhere in the universe.

520px for Heavy Late Bombardment
geophysics

Fossil Discoveries Challenge Ideas About Earth’s Start

January 22, 2018

A series of fossil finds suggests that life on Earth started earlier than anyone thought, calling into question a widely held theory of the solar system’s beginnings.

Thinking Places

Jason Morgan Recalls Discovering Earth’s Tectonic Plates

August 28, 2017

Jason Morgan developed the theory of plate tectonics in 1967 while working among a critical mass of talented geophysicists at Princeton University.

planetary science

What Made the Moon? New Ideas Try to Rescue a Troubled Theory

August 2, 2017

Textbooks say that the moon was formed after a Mars-size mass smashed the young Earth. But new evidence has cast doubt on that story, leaving researchers to dream up new ways to get a giant rock into orbit.

Journey to the Birth of the Solar System
Multimedia

Journey to the Birth of the Solar System

May 25, 2017

Join David Kaplan on a virtual-reality tour showing how the sun, the Earth and the other planets came to be.

Abstractions blog

On the Moon’s Far Side, Clues to a Cataclysm?

December 22, 2016

A mission to collect samples from the far side of the moon could answer questions about a barrage of asteroids nearly 4 billion years ago.

Earth scientists hope that their growing knowledge of the planet’s early history will shed light on poorly understood features seen today, from continents to geysers.
geophysics

Explorers Find Passage to Earth’s Dark Age

December 22, 2016

Geochemical signals from deep inside Earth are beginning to shed light on the planet’s first 50 million years, a formative period long viewed as inaccessible to science.