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Geochemical detectives use lab mimicry to look back in time

New work from a research team led by Carnegie's Anat Shahar contains some unexpected findings about iron chemistry under high-pressure conditions, such as those...

‘Forbidden’ substances on super-Earths

Using mathematical models, scientists have 'looked' into the interior of super-Earths and discovered that they may contain compounds that are forbidden by the classical...

The days are getting longer: Rotation of Earth’s core holds a...

Scientists are studying past changes in sea level in order to make accurate future predictions of this consequence of climate change, and they're looking...

Liquid acoustics half way to the Earth’s core

The most direct information about the interior of the earth comes from measuring how seismic acoustic waves—such as those created by earthquakes—travel through the...

How we discovered that the Earth’s inner core is older than...

According to recent estimates, the Earth's solid inner core started forming between half a billion and one billion years ago. However, our new measurements...

Earth’s inner core was formed 1-1.5 billion years ago

There have been many estimates for when the earth's inner core was formed, but scientists from the University of Liverpool have used new data...

Research lends new view of the Earth’s core

There is more oxygen in the core of Earth than originally thought. Lawrence Livermore geologist Rick Ryerson and international colleagues discovered some new findings...

Record high pressure squeezes secrets out of osmium

An international team of scientists led by the University of Bayreuth and with participation of DESY has created the highest static pressure ever achieved...

New research shows Earth’s core contains 90 percent of Earth’s sulfur

So perhaps there is some truth in the old legends of the underworld reeking of brimstone (or sulphur, as it is now called)? New...

Clues to the Earth’s ancient core

Old rocks hold on to their secrets. Now, a geophysicist at Michigan Technological University has unlocked clues trapped in the magnetic signatures of mineral...

Geologists unlock mysteries of the planet’s inner core

Seismic waves are helping scientists to plumb the world's deepest mystery: the planet's inner core. Thanks to a novel application of earthquake-reading technology, a research...

Most of Earth’s carbon may be hidden in the planet’s inner...

As much as two-thirds of Earth's carbon may be hidden in the inner core, making it the planet's largest carbon reservoir, according to a...

Indirect study of Earth’s core

The center of the Earth is about 6,371 kilometers or 4, 000 miles away, roughly the distance between Phoenix and the North Pole. It cannot...

The oldest ice core: Finding a 1.5 million-year record of Earth’s...

How far into the past can ice-core records go? Scientists have now identified regions in Antarctica they say could store information about Earth's climate...

Iron in Earth’s Core Weakens Before Melting

The iron in the Earth's inner core weakens dramatically before it melts, explaining the unusual properties that exist in the moon-sized solid centre of...

Iron Melt Network Helped Grow Earth’s Core, Study Suggests

Stanford scientists recreated the intense pressures and temperatures found deep within Earth, resulting in a discovery that complicates theories of how the planet and...

Deep Earth heat surprise

Washington, D.C—The key to understanding Earth's evolution is to look at how heat is conducted in the deep lower mantle—a region some 400 to...

Earth’s Core Affects Length of Day

Researchers studied the variations and fluctuations in the length of day over a one to 10 year period between 1962 and 2012 Research at the...

New idea tackles Earth core puzzle

Scientists have proposed a radical new model for the make-up of the Earth's core.The study may explain a longstanding puzzle about the most inaccessible...

Earth’s Iron Core Is Surprisingly Weak

Researchers have used a diamond anvil cell to squeeze iron at pressures as high as 3 million times that felt at sea level to...

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