The paper discusses the possibility of dust particles containing living bacteria ejected from Earth reaching Europa and landing on its surface.
International Journal of Astrobiology
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 […]
Posted inBiosignatures & Paleobiology, Gaia - Planetary Perspectives, Intelligence & Language, SETI & Technosignatures, Status Report
How Common Are Oxygenic Photosynthesis And Large Coal Deposits On Exoplanets?
In the search for extraterrestrial intelligence (SETI), it is often assumed that intelligent life on an Earth-like exoplanet would inevitably develop the technological means for interstellar communication. This assumption ignores […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Sample Return, Status Report, Tricorders & Sensors
Setting A Polyphasic Approach To Study Antarctic Cryptoendolithic Communities As A Toolkit For Astrobiology
The present study has set up a pilot experiment to optimise the most promising assays for investigating the survival of Antarctic microbial cryptoendolithic communities – a natural astrobiological benchmark – […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astronauts and Explorers, Away Teams & Field Reports, Caves, Craters, Mountains, Subsurface, Lava Tubes, Desert Worlds, Exploration Gear & Tech, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Mars, Microbiology & Virology, Planetary Protection & Biosafety, Polar / Alpine Expeditions, Press Release, Sample Return
Caves On Earth As Proxies For Martian Subsurface Environments
On planet Earth, the inner part of cave systems represents an extreme and isolated environment, characterized by relatively stable microclimatic conditions, nutrient limitation and protection from external stressors such as […]
Posted inAstrobiology (general), Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Nomenclature, Systematics, Natural History, People Of Astrobiology, Status Report, Tardigrades
Navigating Life In The Extremes: A Bibliometric Exploration Of Extremophiles And Astrobiology
Bibliometric analysis reveals significant research trends and highlights collaborations among institutions and countries within extremophiles and astrobiology.
Posted inBiophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Mars, Radiation, Status Report
New Research Suggests Life Could Survive Beneath The Surface Of Mars And Other Planets Using High Energy Particles From Space
A new study from NYU Abu Dhabi has found that high-energy particles from space, known as cosmic rays, could create the energy needed to support life underground on planets and […]
Posted inAstrobiology (general), NASA Astrobiology Program, People Of Astrobiology, Press Release, Reports, Roadmaps, & Plans
Fifty Years Of Astrobiology: Mapping Researcher Communities With Topic-based Network Analyses
Astrobiology is often defined as the study of the origin, evolution, distribution and future of life on Earth and in the Universe and thought of as a discipline.
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Status Report
Applications of Microbial Bioplastic Polyhydroxyalkanoates as Biosignatures for Astrobiological Detection
Determining a reliable method to detect life on another planet is an essential first step in the pursuit of discovering extraterrestrial life.
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Fossils & Paleontology, Meteorites & Asteroids, Origin & Evolution of Life, Status Report
Experimental and Theoretical Studies of the Interactions of Alanine Onto Surfaces of Olivine and Montmorillonite: Relevance in Astrobiology
Amino acids have been detected in some meteorites and are readily synthesized in prebiotic experiments. These molecules may have been precursors of oligomers and polymers in the early Earth.