French archeologists have recently provided proof that the Duzdagi salt deposits, situated in the Araxes Valley in Azerbaijan, were already being exploited from the second half of the 5th millennium BC. It is therefore the ...
Archaeology
Nov 29, 2010
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0
(PhysOrg.com) -- The fossil record is known to be biased by the unevenness of geographical and stratigraphical sampling, and the lack of exposed rocks containing fossils. In a recent Perspective in Science [2 January 2009] ...
Earth Sciences
Jan 14, 2009
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1
Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is thankfully abundant in Earth's atmosphere and oceans. Researchers studying the history of O2 on Earth, however, know that it was ...
Earth Sciences
Feb 25, 2019
2
87
New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.
Earth Sciences
Oct 19, 2011
1
0
Scientists have developed a new method for detecting traces of primordial life in ancient rock formations using potassium.
Earth Sciences
Jul 4, 2019
1
1
The Curiosity rover hit the science "jackpot" and has discovered widespread further evidence of multiple episodes of liquid water flowing over ancient Mars billions of years ago when the planet was warmer and wetter, scientists ...
Space Exploration
Jan 21, 2013
6
0
In 2011, a small meteorite was found in the Sahara Desert. Designated Northwest Africa (NWA) 7034 or "Black Beauty," the blackened chunk of volcanic crystal turned out to be a little piece of Mars, flung into space by an ...
Planetary Sciences
Jul 13, 2022
0
74
New evidence from ancient lunar rocks suggests that an active dynamo once churned within the molten metallic core of the moon, generating a magnetic field that lasted at least 1 billion years longer than previously thought. ...
Space Exploration
Aug 9, 2017
0
162
A new study from scientists at Scripps Institution of Oceanography at UC San Diego and the University of Chicago sheds light on a hotly contested debate in Earth sciences: when did plate subduction begin?
Earth Sciences
Dec 9, 2020
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633
(PhysOrg.com) -- Earthquakes and volcanoes are known for their ability to transform Earth's surface, but new research in the Caribbean has found they can also move ancient Earth rock foundations more than 1,000 miles.
Earth Sciences
Jul 12, 2011
0
1
