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
0
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 ...
If life is abundant in the universe, atmospheric methane may be the first sign of life beyond Earth detectable by astronomers. Although nonbiological processes can generate methane, a new study by scientists at UC Santa Cruz ...
Astrobiology
Mar 28, 2022
1
731
Combinations of stable molybdenum (Mo) isotopes and radiogenic isotopes have great potential for researchers studying mantle heterogeneities, especially those with subduction-related processes.
Earth Sciences
Jan 27, 2022
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3
The hotspots that created volcanic islands such as those of Hawaii, Iceland and the Galapagos Islands may often prove surprisingly cool, a new study finds.
Earth Sciences
Jan 7, 2022
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276
Earthquakes shake and rattle the world every day. The U.S. Geological Survey (USGS) has estimated the number of earthquakes at some half a million a year, with some 100,000 that can be felt, and about 100 that cause damage. ...
Earth Sciences
Aug 6, 2021
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254
If the Earth's oceans were drained completely, they would reveal a massive chain of undersea volcanoes snaking around the planet. This sprawling ocean ridge system is a product of overturning material in the Earth's interior, ...
Earth Sciences
Jul 29, 2021
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294
Forces acting inside the Earth have been constantly reshaping the continents and ocean basins over millions of years. What Alfred Wegener published as an idea in 1915 has been accepted since the 1960s, providing a unifying ...
Earth Sciences
Mar 17, 2021
1
32
At some point between 300 million and 1 billion years ago, a large cosmic object smashed into the planet Venus, leaving a crater more than 170 miles in diameter. A team of Brown University researchers has used that ancient ...
Astronomy
Jan 28, 2021
0
158
Scientists from the Laboratoire de géologie de Lyon: Terre, planètes et environnement (CNRS/ENS de Lyon/Université Claude Bernard Lyon 1) report that a small amount of molten rock located under tectonic plates encourages ...
Earth Sciences
Oct 21, 2020
0
129
