Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Gaia - Planetary Perspectives, Habitable Zones, Impact events, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography

Phosphorus Spikes In Ancient Oceans Linked To Major Mass Extinctions

An international collaboration involving researchers from the University of Western Australia, the University of Ottawa and several partner institutions specializing in geosciences has identified direct geological evidence linking sharp spikes […]

Posted inAnalog Studies, Astrogeology, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Sample Return, Status Report

Magmatic And Thermally Produced Reactive Phosphorus 3.2 Billion Years Ago And Its Implications For Early Life

Reduced and polymerized phosphorus species may have been crucial for the origin and early evolution of life, as they are more reactive and soluble than phosphate.

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Microbiology & Virology, Origin & Evolution of Life

Science Magazine Retracts NASA Astrobiology Paper – But Only After 15 years

Keith’s note: Science magazine is retracting a NASA paper they published 15 years ago – “A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus” but they are not […]

Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Origin & Evolution of Life, Press Release

Hydrothermal Systems May Have Supplied Essential Phosphorus For Early Life

Understanding where and in what quantities essential elements for life have existed on Earth’s surface helps explain the origin and evolution of life. Phosphorus (P) is one such element, forming […]

Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report

Observations Of Phosphorus-bearing Molecules In The Interstellar Medium

The chemistry of phosphorus (31P) in space is particularly significant due to the key role it plays in biochemistry on Earth. Utilising radio and infrared spectroscopic observations, several key phosphorus-containing […]

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