Protoplanetary disks are the birthplace of planets and planetary systems. Investigating the molecular inventory of disks is key to linking the chemical evolution of the interstellar medium and the makeup […]
comets
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Icy Worlds, Imaging & Spectroscopy, Interstellar, Sample Return, Status Report
The Formation of Glycolamide on Interstellar Ices
For decades, scientists have searched interstellar space for the chemical seeds of life. In this issue of ACS Central Science, Kaiser and co-workers (1) offer a striking advance in that […]
Posted inAstrogeology, Exoplanets, -moons, -comets, Ice Giant, Icy Worlds, Neptune, Status Report, Uranus
Reassessing Planetary Composition: Evidence Of Rock-dominated Envelopes In Uranus And Neptune
Although Uranus and Neptune are commonly classified as ice giants, their exact compositions remain poorly constrained. Recent studies of outer Solar System bodies challenge the traditional view that these planets […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Press Release
Astrochemistry Update: SPHEREx Maps Vast Galactic Ice Regions
NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has mapped interstellar ice at an unprecedented scale.
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Comets and Asteroids, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
SPHERE’s Debris Disk Gallery: Tell-tale Signs Of Dust And Small Bodies In Distant Solar Systems
Observations with the instrument SPHERE at ESO’s Very Large Telescope have produced an unprecedented gallery of “debris disks” in exoplanetary systems. Gaël Chauvin (Max Planck Institute for Astronomy), project scientist […]
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Comets and Asteroids, Exoplanets, -moons, -comets, Icy Worlds, Imaging & Spectroscopy, Interstellar, Status Report
Pristine Ices In A Planet-forming Disk Revealed By Heavy Water
Water is essential to our understanding of the planet-formation process and habitability on Earth.
Posted inAstronomy & Telescopes, Beta Pictoris, Status Report
Debris Disks And Their Properties With The Habitable Worlds Observatory
The study of the last stages of planet formation, also known as debris disks, is fundamental to place constrains on the formation of planetary sized bodies.
Posted inArctic / Antarctic / Alpine, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Comets and Asteroids, Conferences and Meetings, Missions & Hardware, Planetary Protection & Biosafety, Sample Return, Status Report
Extraterrestrial Materials Analysis Group (ExMAG) Meeting (Request for Input and Updated Agenda)
The Extraterrestrial Materials Analysis Group (ExMAG) meeting is scheduled for September 15–19, 2025, at the Lunar and Planetary Institute (LPI) in Houston, Texas.
Posted inAstrogeology, Atmospheres, Climate, Weather, Enceladus, Europa, Icy Worlds, Radiation, Status Report
Electron-induced Chemistry And Sputtering Of Volatile Species From Amorphous And Crystalline Water Ice
Electron irradiation of water-rich ices plays a significant role in initiating the chemical and physical processes on the surface of airless icy bodies in radiation environments such as Europa and […]
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Comets and Asteroids, Exoplanets, -moons, -comets, Gaia - Planetary Perspectives, Habitable Zones, Impact events, Status Report
An Impact-free Mechanism To Deliver Water To Terrestrial Planets And Exoplanets
To date, the most widespread scenario is that the Earth originated without water and was brought to the planet mainly due to impacts by wet asteroids coming from further out […]