![Sky positions of the TESS M&M sample (shown in a full-sky Mollweide projection), with number of single-sector TESS light curves through Year 6 as colorbar. -- [astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/The-Occurrence.png?resize=1200%2C717&ssl=1)
[astro-ph.EP] We present the first determination of the occurrence of transiting circumbinary planets (CBPs) in TESS data. Since tight binaries represent a constrained environment relative to single stars, CBPs contribute […]
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Posted inAstrochemistry
Experimental Astrochemistry And Machine Learning Unravel The Formation Of Oxygen-bearing Organic Molecules In Extraterrestrial Ices
[Nature Communications Chemistry] Oxygen-bearing organic molecules, including aldehydes, alcohols, and peroxides, serve as key precursors to complex organics in extraterrestrial environments. Their non-equilibrium formation mechanisms critically constrain the molecular complexity […]
![From interstellar molecules to biomolecules. [astro-ph.IM]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/Frontiers.png?resize=1200%2C701&ssl=1)
Posted inAstrochemistry
Frontiers Of Chemical Complexity In The Interstellar Medium: Unveiling The Cosmic Origins Of life
[astro-ph.IM] The interstellar medium (ISM) contains a rich molecular inventory that provides a unique window into the chemistry operating during star and planet formation and its connection to prebiotic chemistry.
Posted inExoplanets, -moons, -comets
WALTzER: Wide-band Atmospheric Laboratory For Transiting Exoplanet Research
[astro-ph.EP] Understanding the origin and evolution of planetary atmospheres, and the connection between their lower and upper atmospheric layers, remains a fundamental challenge in exoplanet science.
Posted inSETI & Technosignatures
Beyond The Beacon: State And Corporate Competition After An Information-Rich Technosignature Detection
[astro-ph.IM] The 2026 update to the Declaration of Principles Concerning the Conduct of the Search for Extraterrestrial Intelligence provides a framework for post-detection practice.
Posted inMars
Ancient Endorheic Lake Basins: Promising Sampling Sites for the Tianwen-3 Mars Sample Return Mission
[Astrobiology (Journal) via PubMed]. The China National Space Administration has announced its Mars Sample Return mission Tianwen-3 to search for life on Mars.
Posted inImpact events
Impact Crater Hydrothermal Systems Support Rapid Microbial Enrichment and Diverse Metabolic Potential
[Geobiology ] Impact crater hydrothermal systems, formed after asteroid and comet impacts, have been proposed as promising habitats for life on early Earth and as key targets in the search […]
![Relative emissivity spectrum of 2P/Encke’s nucleus obtained by the COMICS observations, in comparison with that of 460P/PanSTARRS (T. Ootsubo et al. 2021). The spectrum of 460P/PanSTARRS (in grey) is shifted by 0.1 for the readability. The grey hatched area is the wavelength region influenced by the telluric ozone absorption. -- [astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/Photometric.png?resize=1200%2C720&ssl=1)
Posted inComets and Asteroids
Photometric and Spectroscopic Observations of Comet 2P/Encke’s Nucleus in the Mid-Infrared Wavelength Region
[astro-ph.EP] We observed comet 2P/Encke with the Cooled Mid-Infrared Camera and Spectrometer (COMICS) on the Subaru telescope on UT 2003 November 12.3, when the comet was at heliocentric and geocentric […]
Posted inExoplanets, -moons, -comets
A New Method Maps An Exoplanet’s True Shape
[Cornell] Mathematical models have necessarily reduced distant exoplanets to idealized circles – until now.
Posted inAstronomy & Telescopes
Wavefront-Conditioned Photon Measurements for Exoplanet Spectroscopy: Contrast Limits and Conditional Gains
[astro-ph.IM]. A wavefront-sensor (WFS) prediction can select the photon measurement before detection or condition its likelihood afterward.