![Instantaneous zonally-averaged vertical cross-section of H2S (left) and HS (right). The black contour on the left panel corresponds to the bottom and top altitudes of the clouds (Ignatiev et al., 2009; Titov et al., 2018).-- [astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/The-impact.png?resize=1200%2C560&ssl=1)
[astro-ph.EP] Venus is home to vivid sulfur chemistry, with SO2 as the major sulfur gas species and a global cloud layer between 47 and~70 km composed of H2SO4 and H2O. […]
Sulfur
Posted inMars
Curiosity Rover Takes a Close Look at Martian Sulfur Crystals
[NASA] These sulfur crystals were found inside a rock after NASA’s Curiosity Mars rover happened to drive over it and crush it on May 30, 2024, the 4,200th Martian day, […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Habitable Zones, Origin & Evolution of Life, Status Report
Global Abiotic Sulfur Cycling on Earth-like Terrestrial Planets
Sulfur is a redox active element that may have helped mediate an electron flow that kickstarted life and which presently is an essential element for all life on Earth. Despite […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Interstellar Formation of Thioethanal (CH3CHS). Gas-Phase and Ice-Surface Mechanisms involving Secondary Sulfur Products
The formation pathways of sulfur-bearing species in the interstellar medium are crucial to understand astrochemical processes in cold molecular clouds and to gain new insights about the sulfur budget in […]
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Impact events, Origin & Evolution of Life, Panspermia, Press Release
Earth’s Ancient Atmosphere May Have Rained Down The Key Ingredients For Life
New research published in Proceedings of the National Academy of Sciences reveals that Earth’s ancient atmosphere may have acted as a global chemical factory, naturally producing sulfur-containing molecules that would […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Press Release
New Insights Into The Origins Of The Chemistry Of Life
Researchers at the Max Planck Institute for Extraterrestrial Physics (MPE), in collaboration with astrophysicists from the Centro de Astrobiología (CAB), CSIC-INTA, have identified the largest sulfur-bearing molecule ever found in […]
Posted inAstrogeology, Biosignatures & Paleobiology, Desert Worlds, Imaging & Spectroscopy, Mars, Missions & Hardware, Robotics/Rovers/UAVs, Status Report
Curiosity Mars Rover Views A Rock Made Of Sulfur At Snow Lake
NASA’s Curiosity captured this close-up image of a rock nicknamed “Snow Lake” on June 8, 2024, the 4,209th Martian day, or sol, of the mission.
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Habitable Zones, Origin & Evolution of Life, Press Release
Study Suggests Ancient Earth Skies Rained Down The Ingredients For Life
Earth’s atmosphere might have contributed to the origin of life more than previously thought.
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
A Detection of Sulfur-Bearing Cyclic Hydrocarbons in Space
Molecules harbouring sulfur are thought to have played a key role in the biological processes of life on Earth.
Posted inAstrochemistry, Astrogeology, Exoplanets, -moons, -comets, Habitable Zones, Interstellar, Press Release
A Submillimeter Survey Of CS Excitation In Protoplanetary Disks: Evidence Of X-ray-Driven Sulfur Chemistry
The sulfur chemistry in protoplanetary disks influences the properties of nascent planets, including potential habitability.