A new study led by researchers from Oxford University and Southwest Research Institute and the Planetary Science Institute in Tucson, Arizona has provided the first evidence of significant heat flow […]
Enceladus
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Enceladus, Europa, Exoplanets, -moons, -comets, Icy Worlds, Status Report, Titan, Water/Hycean Worlds & Oceanography
How Does Ice Shell Geometry Shape Ocean Dynamics On Icy Moons?
A poleward-thinning ice shell can drive circulation in the subsurface oceans of icy moons by imposing a meridional temperature gradient–colder at the equator than the pole–through the freezing point suppression […]
Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Enceladus, Habitable Zones, Icy Worlds, Status Report, Video, Audio, Webcasts, Podcasts
Europlanet Webinar: Cassini Detects Organic Compounds in the Fresh Plume of Enceladus
5 November 2025 at 11:00 CET (10:00 UTC) Speaker: Thomas O’Sullivan, FU Berlin
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Enceladus, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Microbiology & Virology, Status Report, Water/Hycean Worlds & Oceanography
Spatiotemporal Impacts of Enceladus- and Earth-relevant Ammonia Gas On Cultivation of Extremophile Halomonas meridiana
One underexplored aspect of microbial growth is the impact of toxic gases transported through the atmosphere. Ammonia is a gas that can supply essential nitrogen but also exert cellular toxicity.
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 inBiogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Ceres, Enceladus, Europa, Habitable Zones, Icy Worlds, Robotics/Rovers/UAVs, Status Report, Water/Hycean Worlds & Oceanography
Microstructure Controls Sublimation Timescales of Exposed Salt-Rich Ices on Icy Worlds
Salt-rich water ice at the surfaces of icy worlds, for example, Europa, Enceladus, and Ceres, is of particular interest for Solar System exploration as it can represent a record of […]
Posted inAnalog Studies, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Desert Worlds, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Mars, Microbiology & Virology, Missions & Hardware, Press Release, Robotics/Rovers/UAVs, Sample Return
Are There Living Microbes On Mars? Check The Ice.
Frozen in time, ancient microbes or their remains could be found in Martian ice deposits during future missions to the Red Planet.
![Enhanced view of Enceladus’ South pole region showing the locations of organic-rich geysers in blue [Source: NASA]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2025/10/Catalog-and-Characterization.png?resize=1200%2C719&ssl=1)
Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Enceladus, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Missions & Hardware, Press Release, Saturn
Catalog And Characterization Of Science Orbit Configurations For An Enceladus Orbiter
Saturn’s moon Enceladus is an exciting destination for future exploration missions due to the scientifically interesting geyser region located on its South pole.
Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Enceladus, Habitable Zones, Icy Worlds, Status Report
Exploring The Interior Structure And Mode Of Tidal Heating In Enceladus
Enceladus is among the most intriguing bodies in the solar system due to its astrobiological potential.
Posted inAstrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Enceladus, Icy Worlds, Saturn, Status Report, Water/Hycean Worlds & Oceanography
Icy Ocean World Enceladus Orbits In The Ring It Makes Around Saturn
Saturn’s E ring is a huge, fuzzy, donut-shaped circle of particles around Saturn, that puzzled scientists for a long time.