Planetary collision that formed the moon made life possible on Earth
Most of Earth's essential elements for life—including most of the carbon and nitrogen in you—probably came from another planet.
Most of Earth's essential elements for life—including most of the carbon and nitrogen in you—probably came from another planet.
Earth Sciences
Jan 23, 2019
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3196
Earth has some special features that set it apart from its close cousins in the solar system, including large oceans of liquid water and a rich atmosphere with just the right ingredients to support life as we know it. Earth ...
Earth Sciences
Jan 21, 2016
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763
Geochemical and geological records provide key insights into Earth's tectonic history, but in the case of mountains during the Proterozoic eon, records conflict with each other: Geochemical evidence says that the crust was ...
Earth Sciences
Oct 7, 2021
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862
Geochemical evidence reveals that armies in the Battles of Himera were a mixture of locals and outsiders, according to a study published March 24, 2021 in the open-access journal PLOS ONE by Katherine Reinberger of the University ...
Archaeology
May 12, 2021
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265
Evidence from ancient rocks in north Alabama show the Earth's first forest spread rapidly, likely contributing to a mass extinction of shallow marine life some 370 million years ago.
Earth Sciences
Jun 19, 2019
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110
Black carbon (BC) is the result of incomplete combustion of fossil fuels and biomass, with strong light absorption. It is second only to carbon dioxide as a climate-forcing factor for atmospheric warming. Deposition of BC ...
Earth Sciences
Apr 19, 2024
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14