As Earth orbits the Sun, the Solar System itself revolves around the center of the Milky Way, moving through a continuously changing Galactic environment. In addition to its mean orbital […]
astrogeology
Astrochemistry in Planetary Science – ACS Fall 2026 National Meeting
Overview: Astrochemistry is a diverse discipline spanning virtually all divisions of chemistry and plays a vital role in planetary science. This symposium aims to foster new collaborations by highlighting current efforts […]
Where Skies Meet: Multidisciplinary Views of Planet and Exoplanet Atmospheres
The IAA-CSIC Severo Ochoa Advanced School “Where skies meet: multidisciplinary views of planet and exoplanet atmospheres” is designed for researchers interested in the study of planetary atmospheres both in the Solar System […]
Workshop on the Integrated Science of Comets
11 AUG UPDATE: The Workshop on the Integrated Science of Comets: From Laboratory Studies of Cometary Materials to Remote Observations is scheduled for September 22–24, 2026, at the Lunar and Planetary Institute (LPI) in […]
Charting the Future of Stellar and Exoplanets Spectroscopy (CHASES 2026)
Looking ahead, a new generation of instruments (some of which already operational like ESPRESSO and DESI) will soon start (WEAVE, 4MOST), is planned (MOONS), or proposed — from ultra-stable high-resolution […]
77th International Astronautical Congress (IAC 2026)
The 77th International Astronautical Congress (IAC 2026) will take place in Antalya, Türkiye, from 5–9 October 2026 — marking the first time in history that the event will be hosted […]
Posted inMars
Getting A Closer Look Into Cerberus Fossae On Mars
[NASA/JPL/UA] Visible in this observation is a section of Cerberus Fossae (width approximately 250 meters), which are comprised of a series of rifts present located in Elysium Planitia just north […]
Posted inEuropa
The Sulfate Content Of Europa’s Subsurface Ocean and Icy Shell
[Astrobiology (Journal)] Recent models for the origin of Jupiter indicate that the Galilean satellites were mostly derived from largely unprocessed solar nebula solids and planetesimals.
Posted inMars
Subsurface Sediment Mobilization On Mars
[NASA/JPL/UA] This image covers a pie-like feature that thought to be the result of subsurface sediment mobilization.
![Inclination vs. semimajor axis for the NEOs. The main asteroid families that have been linked to ordinary chondrites are represented by gray squares. The ν6 secular resonance with Saturn and the 3:1 and 5:2 mean motion resonances with Jupiter are represented with dashed lines. -- [astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/Size-Constraints.png?resize=1200%2C718&ssl=1)
Posted inAstrogeology
Size Constraints For The Pre-atmospheric Parent Bodies Of Ordinary Chondrites
[astro-ph.EP] The study of S-complex near-Earth objects (NEOs), the parent bodies of ordinary chondrites, has shown that they are dominated by asteroids with LL chondrite-like compositions. This is surprising because […]