Where did the Earth's oxygen come from? New study hints at an unexpected source
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
Earth Sciences
Nov 29, 2022
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Most diamonds are formed deep inside Earth and brought close to the surface in small yet powerful volcanic eruptions of a kind of rock called "kimberlite."
Earth Sciences
May 9, 2023
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146
(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. The findings were ...
Space Exploration
Apr 26, 2012
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Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new acoustic source ...
General Physics
Sep 4, 2009
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Scientists have long suspected that the Sun's 11-year cycle influences climate of certain regions on Earth. Yet records of average, seasonal temperatures do not date back far enough to confirm any patterns. Now, armed with ...
Earth Sciences
Aug 23, 2012
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(Phys.org)—A small team of researchers with affiliations to institutions in the U.S., Switzerland and Korea has found links between atmospheric carbon dioxide levels, the land carbon reservoir and climate over the past ...
Higher levels of air pollution reduced the frequency of North Atlantic hurricanes and other tropical storms for most of the 20th century, a study said Sunday.
Earth Sciences
Jun 23, 2013
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University of California, Berkeley, chemists have found a smoking gun proving that increased fertilizer use over the past 50 years is responsible for a dramatic rise in atmospheric nitrous oxide, which is a major greenhouse ...
Earth Sciences
Apr 2, 2012
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(PhysOrg.com) -- The release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago has been linked to the greatest change in global climate since a dinosaur-killing asteroid presumably ...
Earth Sciences
Nov 9, 2011
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As humans continue to pump the atmosphere with carbon, it's crucial for scientists to understand how and where the planet absorbs and naturally emits carbon.
Environment
Jun 19, 2018
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