December 2025 – Page 19 – My WordPress Site

NASA's Curiosity Mars rover captured this view looking back down at the floor of Gale Crater from its location on Mount Sharp on Feb. 7, 2025, the 4,447th Martian day, or sol, of the mission. A zoom and pan animation of the Curiosity panorama published at https://photojournal.jpl.nasa.gov/catalog/PIA26551

Atmospheres, Climate, Weather, Mars

How Sound Moves On Mars

by Keith CowingDecember 7, 2025

IAUS 404

Biosignatures & Paleobiology, Conferences and Meetings, SETI & Technosignatures

IAUS 404: Advancing The Search For Technosignatures Registration Is Now Open

by Keith CowingDecember 7, 2025December 7, 2025

A composite view of Europa’s spider-like Manannán Crater (right), taken by NASA’s Galileo spacecraft in May 1998. Credit: NASA/JPL/University of Arizona

Analog Studies, Arctic / Antarctic / Alpine, Astrogeology, Biosignatures & Paleobiology, Caves, Craters, Mountains & Lava Tubes, Europa, Exploration Gear & Tech, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Mars, Missions & Hardware, Origin & Evolution of Life, Polar / Alpine Expeditions, Water/Hycean Worlds & Oceanography

Europa’s Spider-like Features And The Potential For Life

by Keith CowingDecember 5, 2025December 5, 2025

Located about 39 light-years from Earth, the TRAPPIST system resembles a miniature version of our solar system: The star, an ultracool red dwarf, and all its planets would comfortably fit inside the orbit of planet Mercury. Credit NASA, ESA, CSA, STScI, Joseph Olmsted (STScI)

Astrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Titan, TRAPPIST-1

A New Look At TRAPPIST-1e, An Earth-sized, Habitable-zone Exoplanet

by Keith CowingDecember 5, 2025December 5, 2025

JAXA astronaut and Expedition 73 Flight Engineer Kimiya Yui shows off production bags containing bioengineered yeasts and probiotic cultures for the BioNutrients-3 investigation. -- iss073e0818445 (Oct. 2, 2025) - larger image

Microgravity, Space Life Science, Space Stations, SPACELINE Current Awareness List

NASA Spaceline Current Awareness List #1,176 28 November 2025 (Space Life Science Research Results)

by Keith CowingDecember 5, 2025December 5, 2025

This image by NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) shows different structural details of the Crab Nebula. Credits: NASA, ESA, CSA, STScI, Tea Temim (Princeton University) larger image

News Summary Archives

Interstellar Ices as Carriers of Supernova Material to the Early Solar System

by Keith CowingDecember 5, 2025December 5, 2025

Side-by-side comparison of TOI (left) and KOI (right) radius vs orbital period. The red dashed line marks the 14-day orbital period. TOI detected more giant planets with shorter orbital periods, while KOI detected more smaller planets with longer orbital periods. -- astro-ph.EP

AI - Data - Apps - Cybernetics, Astronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy

Machine Learning For Exoplanet Discovery: Validating TESS Candidates and Identifying Planets in the Habitable Zone

by Keith CowingDecember 5, 2025December 5, 2025

In the location map, dashed lines represent the magnetic anomaly lineations. Note the scale change in the N/K and N/Na ratios marked by the dashed lines. -- Nature

Atmospheres, Climate, Weather, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Origin & Evolution of Life, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography

New Research Reveals Chemical Process That May Have Sparked Life On Earth

by Keith CowingDecember 5, 2025December 5, 2025

NASA, ESA, STScI, D. Jewitt (UCLA), M.-T. Hui (Shanghai Astronomical Observatory). Image Processing: J. DePasquale (STScI)

Astrochemistry, Astrogeology, Astronomy & Telescopes, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Interstellar

Hubble Space Telescope Revisits Interstellar Comet 3I/ATLAS

by Keith CowingDecember 5, 2025December 5, 2025

LIFE RCN Workshop

Courses, Education and Outreach, Genomics, Proteomics, Bioinformatics, Video, Audio, Webcasts, Podcasts

NASA LIFE RCN Seminar: Science at NASA

by Keith CowingDecember 5, 2025December 5, 2025