[astro-ph.EP] Sulfur chemistry has emerged as an important probe of exoplanet atmospheres in the JWST era, although observational constraints have thus far been largely limited to SO2 and H2S in […]
Biogeochemical Cycles & Geobiology
Posted inAstrochemistry
Dual Use Technology – An Astrochemistry Spin Off
Editor’s note: many of the tools that are used in astronomy to conduct analyses of chemistry in space – astrochemistry – utilize technology that has had long-standing applications in a […]
Posted inBiosignatures & Paleobiology
Orbital Biosignature Assay: Watching Forests Grow From Space
[Chinese Academy of Sciences] Forests are central to climate mitigation, yet tracking how fast they grow over decades remains difficult.
![[TOP] Example observations of (2060) Chiron for survey/telescopes (left) ATLAS, (middle) ZTF, and (right) LCO/LOOK. [BOTTOM] Example observations of 103P/Hartley 2 for survey/telescopes (left) ATLAS, (middle) ZTF, and (right) LCO/LOOK. -- astro-ph.EP](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/07/Multi-year.png?resize=1200%2C720&ssl=1)
Posted inComets and Asteroids
Multi-year Ground-Based Survey Photometry of Active Comet 103P/Hartley 2 and Centaur (2060) Chiron: A Tale of Two Comets in the Pre-LSST Era
[astro-ph.EP] Comets and Centaurs trace the evolution of trans-Neptunian objects (TNOs) into the inner solar system.
Posted inMars
Sulfates Or Other Hydrated Materials East Of Aram Chaos?
[NASA] Aram Chaos is of particular scientific interest because it is hypothesized that its chaotic terrain may be the source of water that contributed to the creation of nearby valleys […]
Posted inMars
The Impact of the Viking Entry, Descent, and Landing Legacy on Future Mars Exploration
[Astrobiology] This article outlines engineering challenges that were involved in the design innovations required to successfully deliver not one but two landers for Viking.
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 inBiosignatures & Paleobiology
Orbital Biosignature Assay: Summer Algal Bloom Spreads Across The Baltic Sea
[European Union] During the summer months, large algal blooms occur frequently in the Baltic Sea. Often driven by warmer temperatures, abundant sunlight, and nutrient-rich waters, these blooms can reduce water […]
Posted inAstrochemistry
Theoretical and Experimental IR Spectra of Astronomical PAHs and PANHs in the 2000–1650 cm–1 Range (∼5–6 μm)
[ACS Earth and Space Chemistry] Recent James Webb Space Telescope observations reveal unprecedented details in the 2000–1650 cm–1 (∼5–6 μm) region, including the well-known 5.25 and 5.75 μm bands.