Many artists have tried to depict what Earth might have looked like billions of years ago, before life made its appearance. Many scenes trade snow-covered mountains for lava-gushing volcanoes and […]
Sulfur
Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Microbiology & Virology, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Research In Lake Superior Reveals How Sulfur Might Have Cycled In Earth’s Ancient Oceans
Geochemist Alexandra Phillips has sulfur on her mind. The yellow element is a vital macronutrient, and she’s trying to understand how it cycles through the environment. Specifically, she’s curious about […]
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Status Report
The Evolution Of Sulphur-bearing Molecules In High-mass Star-forming Cores
To understand the chemistry of sulphur (S) in the interstellar medium, models need to be tested by observations of S-bearing molecules in different physical conditions.
Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Microbiology & Virology, Origin & Evolution of Life, Press Release
How a Methanogen Creates Its Own Sulfate Reduction Machinery
Sulfur is a fundamental element of life and all organisms need it to synthesize cellular materials. Autotrophs, such as plants and algae, acquire sulfur by converting sulfate into sulfide, which […]
Posted inBiosignatures & Paleobiology, Europa, Icy Worlds, Press Release
Sulfur Residue Mapped On Europa
A Southwest Research Institute-led team used the Hubble Space Telescope to observe Jupiter’s moon, Europa, at ultraviolet wavelengths, filling in a “gap” in the various wavelengths used to observe this […]