The paper discusses the possibility of dust particles containing living bacteria ejected from Earth reaching Europa and landing on its surface.
Panspermia
Posted inAstrogeology, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Meteorites & Asteroids, Origin & Evolution of Life, Panspermia, Sample Return, Status Report
Mars Organic Geochemistry-Are We Alone, and Where Did We Come From?
This review of martian organic geochemistry aims to contextualize recent findings of organic molecules in martian meteorites and from Mars missions within the broader study of origins of life on […]
Posted inAway Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Origin & Evolution of Life, Panspermia, Press Release, Sample Return, Space Life Science, Tricorders & Sensors
Planetary Genomics: Basecamp Research Launches The Trillion Gene Atlas
Editor’s note: If we aspire to mount expeditions to new worlds and then embrace the task of characterizing and quantifying whatever life forms we find, the ability to map and […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Impact events, Origin & Evolution of Life, Panspermia, Press Release
Impact History Of Early Earth Created Conditions Conducive To Life
Southwest Research Institute scientists modeled the early impact history of Earth, seeking insight into potential origins of life. These models show that asteroid impacts on the early Earth plowed up […]
Posted inBiosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Missions & Hardware, Panspermia, Planetary Protection & Biosafety, Status Report
Biocidal Conditions in Low-Mars-Orbit Can Inactivate Bioburden on External Mars Spacecraft Surfaces and Dust Particles Within a Few Sols
Mars Sample Return Program planning includes a series of spacecraft staged both on the Martian surface and in low-Mars-orbit (LMO).
Posted inArtemis & Lunar Exploration, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Life Support Systems, Microbiology & Virology, Missions & Hardware, Moon, Panspermia, Planetary Protection & Biosafety, Press Release, Sample Return
Protecting Earth From Extraterrestrial Contamination: The Case For A Lunar Biocontainment Facility
The advancement of space exploration into an era of sample return missions from Mars, asteroids, and icy moons raises the potential for biological contamination either to or from Earth.
Posted inBiophysics, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Microgravity, Origin & Evolution of Life, Panspermia, Planetary Protection & Biosafety, Press Release, Radiation, Space Life Science
Radiation-Resistant Microbes: Pioneers for Life Beyond Earth
Radiation is one of the most pervasive environmental stressors that has profoundly influenced microbial evolution, driving the development of intricate survival strategies in extreme environments.
Posted inAstrogeology, Biosignatures & Paleobiology, Impact events, Mars, Meteorites & Asteroids, Panspermia, Status Report
Could Life Have Been Transferred From Mars To Earth? Laboratory And Computational Simulations Of Martian Ejecta
The study of the origin of life on Earth has been broadened due to panspermia models that suggest that early life may have been transferred between planets.
Posted inAtmospheres, Climate, Weather, Biophysics, Biosignatures & Paleobiology, Impact events, Meteorites & Asteroids, Panspermia, Status Report, Venus
A Panspermia Origin For Venus Cloud Life
Decades of study have hinted at the astrobiological potential of Venus’s cloud layers. This potential is often cast as stemming from the idea that the Venusian surface was clement in […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Cryobiology, Desert Worlds, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Gravitational Biology, Microgravity, Panspermia, Radiation, Sample Return, Space Life Science, Status Report
Antarctic Microbe Survival Tests Aboard The International Space Station
An international team is sending microbes from Antarctica and Chile to the International Space Station (ISS) to study how they withstand radiation and other spaceflight stressors.