Uranium signatures in turtles and tortoises near nuclear testing and waste sites
The shells of turtles, tortoises, and sea turtles keep growing as long as the animals live—and some of them live a remarkably long time.
The shells of turtles, tortoises, and sea turtles keep growing as long as the animals live—and some of them live a remarkably long time.
Plants & Animals
Aug 23, 2023
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15
Layers of sedimentary rock are often studied to recreate Earth's history. But rocks aren't always the most reliable historians. New research shows that environmental conditions can substantially affect how—and how fast—sediment ...
Earth Sciences
Jul 13, 2023
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0
The ordinary person looks at Stone Mountain and sees a solid, unmovable monolith. Emory paleontologist Anthony Martin, who thinks in geologic time, sees something more akin to a giant sugar cube.
Paleontology & Fossils
May 22, 2023
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5
Earthquakes and volcanism occur as a result of plate tectonics. The movement of tectonic plates themselves is largely driven by the process known as subduction. The question of how new active subduction zones come into being, ...
Earth Sciences
Apr 19, 2023
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236
When scientists discovered a hydrothermal vent site in the Arctic Ocean's Aurora hydrothermal system in 2014, they did not immediately realize just how exciting their discovery was.
Earth Sciences
Nov 2, 2022
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486
A Northwestern University-led team of astrophysicists has developed the first-ever full 3D simulation of an entire evolution of a jet formed by a collapsing star, or a "collapsar."
Astronomy
Jun 29, 2022
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141
In between Earth's rigid tectonic plates above and its convecting mantle below is a hot and soft layer known as the asthenosphere. At mid-ocean ridges, upwelling of the hot asthenosphere to the surface of the seafloor forms ...
Earth Sciences
Jun 1, 2022
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Researchers from the School of Earth Sciences at The University of Western Australia have helped reconstruct the cycle of carbon in the Earth using thermodynamic modeling and plate tectonic reconstructions dating back 250 ...
Earth Sciences
May 26, 2022
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146
For hundreds of millions of years, Earth's climate has warmed and cooled with natural fluctuations in the level of carbon dioxide (CO₂) in the atmosphere. Over the past century, humans have pushed CO₂ levels to their ...
Earth Sciences
May 26, 2022
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32
A team of researchers from China University of Geosciences, has concluded that eclogite samples found at the northern Central Orogenic Belt within the North China Craton, show that modern-type subduction events occurred on ...