Thermal fatigue has been observed to be an important driver of boulder evolution on asteroid Bennu through the development of morphological features such as exfoliation flakes and linear fractures in […]
Science Direct
Posted inBiosignatures & Paleobiology, Comets and Asteroids, Meteorites & Asteroids, Missions & Hardware, Planetary Protection & Biosafety, Sample Return, Status Report
Analysing The Sample Preparation Process In Meteorites And Its Impact On The Pretreatment Of Returned Samples To Earth
The study of meteorites is important for planetary sciences because, among other things, it can provide information about the geochemical composition of their celestial body of origin. Often, subsample preparation […]
Posted inAway Teams & Field Reports, Extremeophiles and Extreme Environments, Microbiology & Virology, Planetary Protection & Biosafety, Radiation, Sample Return, Status Report
Fungi From Chernobyl: Mycobiota Of The Inner Regions Of The Containment Structures Of The Damaged Nuclear Reactor
Extensive fungal growth has been detected on the walls and other building constructions in the inner parts of the Shelter of the damaged fourth Unit of the Chernobyl Nuclear Power […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Habitable Zones, Imaging & Spectroscopy, Status Report
Current Opinions And Trends In The Search For Extrasolar Photosynthesis
The search for extrasolar photosynthetic life is one of the most important goals for modern astrobiology. Recent discoveries of cold brown dwarfs, as well as planets orbiting M-, G-, K-, […]
Posted inAstrochemistry, Astrogeology, Enceladus, Icy Worlds, Imaging & Spectroscopy, Radiation, Saturn, Status Report
Water-group Ion Irradiation Studies Of Enceladus Ice Analogues: Can Radiolysis Account For Material In And Around The South Polar Plume?
Saturn’s magnetosphere contains trapped plasma and energetic charged particles which constantly irradiate the surface of Enceladus.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Polar / Alpine Expeditions, Sample Return, Status Report
Mineralogy, Geochemistry And Morphology Of Arctic Gossans On Axel Heiberg Island, NU, Canada: Spectroscopic Investigation And Implications For Mars
Gossans are formed through the oxidation of sulfide ore deposits by fluids, such as meteoric water or hydrothermal solutions, leading to locally acidic conditions.
Posted inAstronomy & Telescopes, Imaging & Spectroscopy, SETI & Technosignatures, Status Report
Unexplained Starlight Pulses Found In Optical SETI Searches
Years spent searching more than 1300 sun-like stars for optical SETI signals have finally yielded unexpected results.
Posted inImaging & Spectroscopy, Mars, Missions & Hardware, Status Report, Tricorders & Sensors
Improving Spectroscopic Detection Limits with Multi-Pixel Signal-to-Noise Ratio Calculations: Application to the SHERLOC Instrument aboard the Perseverance Rover
Background The Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) instrument on NASA’s Perseverance rover is a deep ultraviolet Raman and fluorescence instrument used for organic […]
Posted inBiophysics, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Nanotechnology & SynBio, Status Report
Machinery Behind Bacterial Nanowires Discovered
Almost all living things breathe oxygen to eliminate the excess electrons produced when nutrients are converted into energy. However, most microbes that mitigate pollution and climate change don’t have access […]
Posted inBiosignatures & Paleobiology, Cryobiology, Habitable Zones, Icy Worlds, Mimas, Saturn, Status Report, Tethys, Water/Hycean Worlds & Oceanography
The Evolution Of A Young Ocean Within Mimas
The fractured, young surfaces on confirmed ocean worlds such as Europa and Enceladus suggest that ocean-bearing moons with relatively thin overlying ice shells should be easy to identify. Hence, the […]