Three times further away from the sun than the Earth lies an enormous lump of metal. Around 252km in diameter, the metallic "M-class" asteroid 16 Psyche is the target of NASA's next mission to the belt of giant rocks that ...
Space Exploration
Dec 4, 2017
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20
New research on oxygen and iron chemistry under the extreme conditions found deep inside the Earth could explain a longstanding seismic mystery called ultralow velocity zones. Published in Nature, the findings could have ...
Earth Sciences
Nov 22, 2017
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139
If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
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177
(Phys.org)—A team of researchers with the University of Edinburgh has found what they describe as evidence of a comet striking the Earth at approximately the same time as the onset of the Younger Dryas in carvings on an ...
New research from The University of Texas at Austin reveals that the Earth's unique iron composition isn't linked to the formation of the planet's core, calling into question a prevailing theory about the events that shaped ...
Earth Sciences
Feb 21, 2017
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Researchers in Japan say they may be one step closer to solving a mystery at the core of the Earth. It has long been established that approximately 85 percent of the Earth's core is made of iron, while nickel makes up an ...
Earth Sciences
Feb 1, 2017
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48
Where did the materials that make up the Earth and moon come from—and when did they arrive?
Space Exploration
Jan 26, 2017
5
264
Scientists studying the Chicxulub crater have shown how large asteroid impacts deform rocks in a way that may produce habitats for early life.
Earth Sciences
Nov 17, 2016
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379
As you may recall learning in geology class, the Earth is made up of distinct layers. The further one goes towards the center of the planet, the more intense the heat and pressure becomes. Luckily, for those of us living ...
Earth Sciences
Sep 19, 2016
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28
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 likely found in the Earth's core, where iron predominates and ...
Earth Sciences
Apr 28, 2016
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