The traditional definition of the circumstellar habitable zone (HZ) focuses on liquid water, but neglects the crucial role of ultraviolet (UV) radiation in prebiotic chemistry.
radiation
Posted inBiosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Europa, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Icy Worlds, Missions & Hardware, Nanotechnology & SynBio, Press Release, Radiation, Robotics/Rovers/UAVs, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
Tricorder Tech: Developing Robust Electronics That Can Withstand Harsh Conditions on Cold Planetary Bodies
A NASA-sponsored team has developed electronics that can operate reliably in the harsh radiation and temperature conditions found on distant planetary bodies like Europa, an ocean world orbiting Jupiter. Not […]
Posted inExoplanets, -moons, -comets, Habitable Zones, Press Release, Radiation, Space Weather & Heliophysics
New Model Defines An Upper Limit To Planetary Radiation Belt Intensity
We all know that stars radiate light and much more. But radiation belts can also surround many other celestial bodies, such as planets.
Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Meteorites & Asteroids, Radiation, Status Report
Space Ionizing Radiation Triggers The Formation Of Peptides And Organophosphates On Olivine Surfaces
Bioorganic molecules, such as amino acids, nucleobases, and sugars, are widely distributed in space.
Posted inExtremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Radiation, Status Report
Specific Role Of Two NlpC/P60 Endopeptidases In Cell Division And Membrane Vesicle Formation In Deinococcus radiodurans
The bacterial cell wall is composed of peptidoglycan (PG), a sugar polymer cross-linked by short peptide stems. PG determines cell morphology and protects it from environmental stresses.
Posted inBiosignatures & Paleobiology, Cryobiology, Desert Worlds, Extremeophiles and Extreme Environments, Habitable Zones, Life Support Systems, Mars, Microbiology & Virology, Planetary Protection & Biosafety, Space Agriculture, Space Life Science, Status Report, Terraforming & Geoengineering
Short-term Survival Of Tardigrades In Martian Regolith Simulants
With future intended human missions to Mars, it is crucial to understand the potential habitability of martian regolith both to support plant growth and to mitigate accidental release of organisms […]
![Simulation results of abundance ratios [H2O2]/[H2O] (black lines), [H2]/[H2O] (orange lines), and [O2]/[H2O] (blue lines) with our model (model A) at 16 K (solid lines) and 77 K (dashed lines). The gray shaded and line filled regions show the experimental results of [H2O2]/[H2O] by Gomis et al. (2004a) at 16 and 77 K, respectively, with an assumed uncertainty of a factor of 3. -- astro-ph.GA](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/02/Simulation-of-proton-radiolysis.png?resize=1200%2C719&ssl=1)
Posted inAI - Data - Apps - Cybernetics, Astrochemistry, Astrogeology, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Icy Worlds, Imaging & Spectroscopy, Interstellar, Status Report
Simulation Of Proton Radiolysis Of H2O And O2 Ices With The Nautilus Code
The radiolysis effect of cosmic rays (CRs) plays an important role in the chemistry in molecular clouds. CRs can dissociate the molecules on dust grains, producing reactive suprathermal species and […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Habitable Zones, Magnetic Fields, Electromagnetism, bioelectricity,, Status Report
Upper Atmosphere Dynamics And Drivers Of Volatiles Loss From Terrestrial-type (exo)Planets
Volatile loss from exoplanetary atmospheres and its possible implications for the longevity of habitable surface conditions is a topic of vigorous debate currently.
Posted inBiophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Radiation, Robotics/Rovers/UAVs, Sample Return, Status Report
Studying Bacteria That Live Inside A Damaged Radioactive Nuclear Power Station
A major incident occurred at the Fukushima Daiichi Nuclear Power Station following the tsunami triggered by the Tohoku–Pacific Ocean Earthquake in March 2011, whereby seawater entered the torus room in […]
Posted inAstropharmacy / Biotechnology, Commercial & Private Sector, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Radiation, Space Life Science, Space Physiology & Medicine, Status Report, Tardigrades
Radioprotection Redefined: Drug Discovery At The Intersection Of Tardigrade Biology And Translational Pharmacology
Harnessing tardigrade-inspired radioprotective strategies to revolutionize defense against ionizing radiation in medicine and space exploration.