A team of researchers, led by a University of Hawai‘i (UH) at Mānoa planetary scientist, discovered that high energy electrons in Earth’s plasma sheet are contributing to weathering processes on […]
Atmospheres, Climate, Weather
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Gaia - Planetary Perspectives, Habitable Zones, Press Release
Six Of Nine Planetary Boundaries Are Now Exceeded On Earth
A new study updates the planetary boundary framework and shows human activities are increasingly impacting the planet and, thereby, increasing the risk of triggering dramatic changes in overall Earth conditions.
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Cryobiology, Habitable Zones, Icy Worlds, Press Release
Cellular Antifreeze Developed In Animals Far Earlier Than We Thought
The globe was hot and humid. The sea was teeming with life. Early squids, eel-like fish and sea worms hunted smaller animals. Above ground, however, nothing stirred. The animals had […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Methane Throughout The Atmosphere Of The Warm Exoplanet WASP-80b
The abundances of major carbon and oxygen bearing gases in the atmospheres of giant exoplanets provide insights into atmospheric chemistry and planet formation processes.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b
A new investigation with NASA’s James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, has revealed the presence of carbon-bearing molecules including methane and […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Mars, Status Report
Seasonal Thaws Under Mid-to-low Pressure Atmospheres On Early Mars
Despite decades of scientific research on the subject, the climate of the first 1.5 Gyr of Mars history has not been fully understood yet.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Status Report
Community Notice: Habitable Worlds Observatory START/TAG
Dear Colleagues, We want to thank you for the tremendous interest from the community in the Habitable Worlds Observatory. The large number of self-nominations for the Science, Technology, Architecture Review […]
Posted inAI - Data - Apps - Cybernetics, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Status Report
Parameterizing Pressure-temperature Profiles Of Exoplanet Atmospheres With Neural Networks
Atmospheric retrievals (AR) of exoplanets typically rely on a combination of a Bayesian inference technique and a forward simulator to estimate atmospheric properties from an observed spectrum. A key component […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Habitable Zones, Mars, Space Weather & Heliophysics, Status Report
Variability In Low Mars Atmosphere’s H2O Concentration Stimulated By Solar Cycle Activity
Exploring planetary atmospheres, particularly Mars, captivates planetary science. Mars’ thin, CO2-rich atmosphere poses a unique puzzle involving composition, climate history, and habitability.
Posted inAtmospheres, Climate, Weather, Biosignatures & Paleobiology, Habitable Zones, Plant Biology, Space Agriculture, Space Life Science, Status Report
Growth and Photosynthetic Efficiency of Microalgae and Plants with Different Levels of Complexity Exposed to a Simulated M-Dwarf Starlight
Oxygenic photosynthetic organisms (OPOs) are primary producers on Earth and generate surface and atmospheric biosignatures, making them ideal targets to search for life from remote on Earth-like exoplanets orbiting stars […]