Organosulfur Chemistry On sub-Neptunes: Implications For Hazes And Biosignatures
The network of important reactions for the carbon, sulfur, and coupled organosulfur chemistry in the atmosphere of K2-18b.…
Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP…
Astronomers Create Catalogue of Habitable-Zone Rocky Exoplanets
Using data from ESA’s Gaia mission and the NASA Exoplanet Archive, astronomers at Cornell University have identified 45…
Limits of Terrestrial Life and the Probability of Growth on Mars: Call for Speakers and Topics
Credit: NASA/JPL-Caltech/KSC The National Academies’ Committee on Planetary Protection is hosting a virtual meeting that will inform NASA’s…
Searching For Life-As-We-Don’t-Know-It: Mission-relevant Application of Assembly Theory For Exoplanet Life Detection
Potentially habitable worlds – Grok via Astrobiology.com This white paper introduces a framework for applying Assembly Theory (AT)…
Short-term Survival Of Tardigrades In Martian Regolith Simulants
Images of tardigrades with mineral coatings. Each image is annotated with the sample, simulant and time of exposure…
Exploring The Habitability Of The Outer Solar System Icy Moons For The Extremotolerant Yeast Rhodotorula frigidalcoholis
We investigated the survival of the yeast Rhodotorula frigidalcoholis and analysed its RNA after exposure to icy moon…
Photosynthetic Exergy I. Thermodynamic Limits For Habitable-zone Planets
Spectral flux and exergy at the top of the atmosphere for three blackbody models, all normalized to the…
New discovery of ammonia on Europa hints at active geology
View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red…
NASA Says Europa Is Covered by a Thick Icy Shell
Jupiter’s moon, Europa, has long fascinated scientists. They believe it’s covered in a massive salty ocean, holding almost…
Ammonia-Bearing Compounds Detected on Europa for First Time
A new analysis of archival data from the Near Infrared Mapping Spectrometer (NIMS) on board NASA’s Galileo spacecraft…
Cool, Earth-Sized Exoplanet Found Orbiting Nearby Star
Astronomers have discovered a new exoplanet orbiting the nearby K-dwarf star HD 137010 after detecting a single, shallow…