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Fingerprints of Earth’s original building blocks discovered in diamond-bearing rocks

September 27, 2019

Chemical signatures recently found in rock formations are providing critical insight for understanding the formation of Earth, according…
New model suggests lost continents for early earth

July 2, 2019

A new radioactivity model of Earth’s ancient rocks calls into question current models for the formation of Earth’s…
Modeling Earth’s chemistry: Making the invisible visible

June 27, 2019

An incredibly complex system lives beneath our feet, transporting metals to Earth’s crust and undergoing a myriad of…
More detailed picture of Earth’s mantle

May 21, 2019

According to a new analysis of cores drilled through the ocean crust, the mantle is made up of…
How Life on Earth Affected its Inner Workings

May 10, 2019

It is well known that life on Earth and the geology of the planet are intertwined, but a…
INNER CORE, THEN AND NOW: Earth’s magnetic field is generated in its liquid iron core via a geodynamo. Researchers believe a weak geodynamo—and a weak magnetic shield—formed early in Earth’s history, but decreased for the next several billion years until a critical point 565 million years ago (left image). The researchers conjecture it was at this point in the geological time scale that the inner core began to form, increasing the strength of the geodynamo and the magnetic field (right image). Image credit: University of Rochester illustration / Michael Osadciw
Earth’s inner core is much younger than we thought

February 1, 2019

One enduring mystery about Earth is the age of its solid inner core. Researchers have long recognized that…
Research reveals ‘fundamental finding’ about Earth’s outer core

December 21, 2018

The Earth’s core is an exceptionally difficult place to study. Its depths descend a staggering 2,900 kilometers —…
Scientists used high power lasers to replicate conditions of the Earth’s core

July 10, 2018

Mean radius of the Earth is 6371 km. Meanwhile the deepest hole we ever made is just over…
Better model of water under extreme conditions could aid understanding of Earth’s mantle

June 25, 2018

Deep inside the Earth exist pockets of water —but the liquid there isn’t like the water on the…
Catching Mantle Plumes by Their Magma Tail

May 1, 2018

Hawaii’s volcanos stand as silent sentinels. They guard the secret of how they formed, thousands of miles away…
The right crust: finding Earth’s early pulse

April 17, 2018

QUT researchers have determined how the ancient portion of the Australian continent formed and evolved between 3.6 billion…
Argonne’s powerful X-rays key to confirming water source deep below Earth’s surface

March 24, 2018

A study published in Science last week relies on extremely bright X-ray beams from the U.S. Department of Energy’s (DOE)…
Scientists find seismic imaging is blind to water

March 15, 2018

When an earthquake strikes, nearby seismometers pick up its vibrations in the form of seismic waves. In addition…
Earth’s core metals react well to electrons

March 3, 2018

At temperatures and pressures found on Earth’s surface, metallic elements are electropositive and lose their valence electrons to…
Earth’s crust determined the course of the evolution of life? Scientists confirm

February 21, 2018

Life on Earth developed the way it did because of how environment impacted the course of evolution. A…
Do we really know how Earth’s inner core formed?

February 20, 2018

It is widely accepted that the Earth’s inner core formed about a billion years ago when a solid,…
Neutrino discovery lays groundwork to further explore Earth’s core

November 29, 2017

In an unexpected twist, scientists discovered that the elusive subatomic particles called neutrinos that were thought to pass…
Geoscientists Take a Crack at Paradox Basin’s Underground Mysteries

August 24, 2017

Geoscientists at the University of Arizona will combine multiple disciplines to study the fluids beneath the Earth’s surface…
Ancient Earth’s hot interior created “graveyard” of continental slabs

August 22, 2017

Plate tectonics has shaped the Earth’s surface for billions of years: Continents and oceanic crust have pushed and…
Strength of tectonic plates may explain shape of Tibetan Plateau, study finds

July 26, 2017

Geoscientists have long puzzled over the mechanism that created the Tibetan Plateau, but a new study finds that…
Conductivity key to mapping water inside Earth

July 25, 2017

Hydrogen at elevated temperature creates high electrical conductivity in the Earth’s mantle. New work by Lawrence Livermore National…
Ancient meteorite impact sparked long-lived volcanic eruptions on Earth

May 8, 2017

Meteorite impacts can produce more than craters on the Earth – they can also spark volcanic activity that…
New model will locate weaknesses in Earth’s crust with a greater accuracy

October 6, 2016

Despite advancements in our modern technology, volcano eruptions and earthquakes are still very hard to predict. It looks…
Arc volcano releases mix of material from Earth’s mantle and crust

June 15, 2016

Volcanoes are an explosive and mysterious process by which molten rock from Earth’s interior escapes back into the…
The Upper Crust: plate tectonics began about 3 billion years ago

January 23, 2016

Large oceans of water and a rich atmosphere with just the right elements to support life set Earth…
Acoustic waves help determine the contents of the Earth’s core

November 26, 2015

We have been taught amazing facts about the core of the Earth in school. But how does science…
California Rising

September 3, 2015

For millions of years, the Pacific and North American plates have been sliding past — and crashing into…
South American example illustrates Rocky Mountain formation

August 13, 2015

New work from an international team of researchers including Carnegie’s Lara Wagner improves our understanding of the geological…
Satellites peer into rock 50 miles beneath Tibetan Plateau

July 22, 2015

Gravity data captured by satellite has allowed researchers to take a closer look at the geology deep beneath…
New research shows Earth’s core contains 90 percent of Earth’s sulfur

June 17, 2015

So perhaps there is some truth in the old legends of the underworld reeking of brimstone (or sulphur,…
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