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A lunar-sized impactor likely struck Earth only a few tens of millions of years after its formation, but sometime after the colossal Mars-sized Earth-impactor thought to be responsible for the formation of our planet's own moon. This...

source: Forbes

Earlier this year, researchers announced they had found fossils of microbial life in the rocks of northern Quebec, Canada dating to at least 3.77 billion years old, making them the oldest known life form on Earth. It was an astounding assertion, given that the Earth itself...

source: Astrobio.net via Phys.org

While strong seasonal hurricanes have devastated many of the Caribbean and Bahamian islands this year, geologic studies on several of these islands illustrate that more extreme conditions existed in the past. A new analysis published...

source: Elsevier via Phys.org

"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, led by Oram, has now found an unexpected, growing...

source: European Geosciences Union via Phys.org

Evaluation of meteorites as habitats for terrestrial microorganisms: Results from the Nullarbor Plain,...

source: GS

The solubility of heat-producing elements in Earth's core The gravitas of gravitational isotope fractionation...

source: GS

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