Researchers confirm Earth's inner core is solid
A new study by researchers at The Australian National University (ANU) could help us understand how our planet was formed.
Earth Sciences
Oct 19, 2018
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Page 3 - News tagged with core
Two largest marsquakes to date recorded from planet's far side
The seismometer placed on Mars by NASA's InSight lander has recorded its two largest seismic events to date: a magnitude 4.2 and a magnitude 4.1 marsquake. The pair are the first recorded events to occur on the planet's far ...
Planetary Sciences
Apr 23, 2022
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How did Earth avoid a Mars-like fate? Ancient rocks hold clues
Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth's outer core generates our planet's protective magnetic field. This magnetic field is invisible but is vital for life on Earth's surface because ...
Earth Sciences
Jul 25, 2022
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Just what sustains Earth's magnetic field anyway?
Earth's magnetic field shields us from deadly cosmic radiation, and without it, life as we know it could not exist here. The motion of liquid iron in the planet's outer core, a phenomenon called a "geodynamo," generates the ...
Earth Sciences
Jun 1, 2016
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Discovery of the temple of Poseidon located at the Kleidi site near Samikon in Greece
The ancient Greek historian Strabo referred to the presence of an important shrine located on the west coast of the Peloponnese some 2,000 years ago. Remains of such an Archaic temple have now been uncovered at the Kleidi ...
Archaeology
Jan 11, 2023
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230
Did the Earth tip on its side 84 million years ago?
Hold on to your hats, because scientists have found more evidence that Earth tips over from time to time. We know that the continents are moving slowly due to plate tectonics, but continental drift only pushes the tectonic ...
Earth Sciences
Oct 18, 2021
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Hubble finds a protoplanet that could upend planet formation models
NASA's Hubble Space Telescope has directly photographed evidence of a Jupiter-like protoplanet forming through what researchers describe as an "intense and violent process." This discovery supports a long-debated theory for ...
Astronomy
Apr 4, 2022
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904
Study shows the Sahara swung between lush and desert conditions every 20,000 years, in sync with monsoon activity
The Sahara desert is one of the harshest, most inhospitable places on the planet, covering much of North Africa in some 3.6 million square miles of rock and windswept dunes. But it wasn't always so desolate and parched. Primitive ...
Earth Sciences
Jan 2, 2019
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Ice core taken in Antarctica contains sample of atmosphere from five million years ago
A team of researchers affiliated with multiple institutions in the U.S. has successfully pulled an ice core from Antarctica's Ong Valley that contains samples of Earth's atmosphere from up to 5 million years ago. In their ...
How quickly does a supernova happen?
When a massive star reaches the end of its life, it can explode as a supernova. How quickly does this process happen?
Astronomy
Apr 10, 2015
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