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Astrobiology

@astrobiology.bsky.social
5.4K followers 1.7K following 8.2K posts

Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.

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Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/c... #NASA #Astrobiology #Astrogeology #IAC2026 #NASA
astrobiology.com
Curiosity Rover Catches A Stunning Martian Dawn
A newly released panorama captured by NASA’s Curiosity rover offers the most detailed view yet of distant, wind-carved Martian cliffs
053
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #tricorder #biosignatures #IAC2026
astrobiology.com
Tricorder Tech: An Electrical Technique For Identifying Signs Of Life In Space
identifying signs of life in space involves an intense search for biosignatures within our solar system and beyond
011
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/g... #astrobiology #IAC2026 #genomics @EBPgenome
astrobiology.com
Generating Eukaryotic Reference Genome Assemblies: Earth BioGenome Project Quality Standards And Recommendations
Reference genome assemblies are foundational resources across the biological sciences
001
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/05/n... #astrobiology #spacebiology #spacemedicine #microgravity #ISS
astrobiology.com
NASA Spaceline Current Awareness List #1,219 2 October 2026 (Space Life Science Research Results)
NASA Spaceline Current Awareness List
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Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #tricorder #biosignatures #IAC2026
astrobiology.com
Tricorder Tech: An Electrical Technique For Identifying Signs Of Life In Space
identifying signs of life in space involves an intense search for biosignatures within our solar system and beyond
001
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/c... #NASA #Astrobiology #Astrogeology #IAC2026 #NASA
astrobiology.com
Curiosity Rover Catches A Stunning Martian Dawn
A newly released panorama captured by NASA’s Curiosity rover offers the most detailed view yet of distant, wind-carved Martian cliffs
0113
Astrobiology @astrobiology.bsky.social · 5h
NASA Is Forfeiting Its Global Astrobiology Leadership astrobiology.com/2026/10/06/n... #NASA @NASA @NASAScience_ @theNAScience #IAC2026 #astrobiology
astrobiology.com
NASA Is Forfeiting Its Global Astrobiology Leadership
NASA presentations at a National Academies of Science on Tuesday left the panel confused and concerned about what NASA plans to do with its Astrobiology research.
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Astrobiology @astrobiology.bsky.social · 12h
For #astrobiology folks at the @theNASciences meeting - as you watch @NASAScience_ dial back #astrobiology - look at just how pervasive it has become - globally: "How Do YOU Say “Astrobiology”? astrobiology.com/2025/10/17/h... #IAC2026
astrobiology.com
How Do YOU Say "Astrobiology"?
I asked Grok to tell me how to say "astrobiology" in the top 100 languages spoken on Earth. The response I got back from Grok is below.
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Astrobiology @astrobiology.bsky.social · 12h
Based on the National Academy meeting today it looks like NASA is losing interest in the search for life in the universe. Meanwhile - globally - the interest in #Astrobiology is growing - fast. We will be documenting that global interest at Astrobiology.com #IAC2026
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Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/c... #NASA #Astrobiology #Astrogeology #IAC2026 #NASA
astrobiology.com
Curiosity Rover Catches A Stunning Martian Dawn
A newly released panorama captured by NASA’s Curiosity rover offers the most detailed view yet of distant, wind-carved Martian cliffs
0113
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #tricorder #biosignatures #IAC2026
astrobiology.com
Tricorder Tech: An Electrical Technique For Identifying Signs Of Life In Space
identifying signs of life in space involves an intense search for biosignatures within our solar system and beyond
001
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/g... #astrobiology #IAC2026 #genomics @EBPgenome
astrobiology.com
Generating Eukaryotic Reference Genome Assemblies: Earth BioGenome Project Quality Standards And Recommendations
Reference genome assemblies are foundational resources across the biological sciences
010
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/p... #astrobiology #exoplanet #astronomy #IAC2026
astrobiology.com
Plato Benchmark Stars I. The Initial Benchmark Sample I
The ESA PLATO mission aims to detect and characterise Earth-size exoplanets orbiting bright, late-type stars
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Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/05/n... #astrobiology #spacebiology #spacemedicine #microgravity #ISS
astrobiology.com
NASA Spaceline Current Awareness List #1,219 2 October 2026 (Space Life Science Research Results)
NASA Spaceline Current Awareness List
021
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/c... #NASA #Astrobiology #Astrogeology #IAC2026 #NASA
astrobiology.com
Curiosity Rover Catches A Stunning Martian Dawn
A newly released panorama captured by NASA’s Curiosity rover offers the most detailed view yet of distant, wind-carved Martian cliffs
053
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #tricorder #biosignatures #IAC2026
astrobiology.com
Tricorder Tech: An Electrical Technique For Identifying Signs Of Life In Space
identifying signs of life in space involves an intense search for biosignatures within our solar system and beyond
011
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/g... #astrobiology #IAC2026 #genomics @EBPgenome
astrobiology.com
Generating Eukaryotic Reference Genome Assemblies: Earth BioGenome Project Quality Standards And Recommendations
Reference genome assemblies are foundational resources across the biological sciences
001
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/p... #astrobiology #exoplanet #astronomy #IAC2026
astrobiology.com
Plato Benchmark Stars I. The Initial Benchmark Sample I
The ESA PLATO mission aims to detect and characterise Earth-size exoplanets orbiting bright, late-type stars
020
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #astrogeology
astrobiology.com
Temporal Variability of Titan's Middle-Atmospheric Zonal Winds from Southern Fall to Late Winter (2016-2023)
[astro-ph.EP] Previous ALMA observations have revealed unexpectedly strong and rapid variations in Titan’s high-altitude equatorial zonal winds, which present a challenge to our understanding of this ...
011
Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/t... #astrobiology #astrochemistry
astrobiology.com
The JWST Proto-PAH Project: Aromatic Backbones With Extensive Aliphatic Substitution Account For Both The Aromatic And Aliphatic mission
[astro-ph.GA] We find that the aromatic and aliphatic emission bands in four carbon-rich post-asymptotic giant branch stars with class D emission arise from a single carrier population: extensive alip...
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Astrobiology @astrobiology.bsky.social · 12h
astrobiology.com/2026/10/06/h... #astrobiology #Exoplanet
astrobiology.com
Hybrid Worlds Are The Commonest Outcome Among The M-dwarf Sub-Neptunes Characterised With JWST
The sub-Neptunes orbiting M dwarfs are usually assigned to one of two classes: rocky cores beneath primordial hydrogen, or volatile-rich bodies formed beyond the water-ice line.
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Astrobiology @astrobiology.bsky.social · 06/10/2026
Possible News From The Committee on Astrobiology and Planetary Sciences Meeting astrobiology.com/2026/10/05/p... #Astrobiology #NASA #IAC2026
astrobiology.com
Possible News From The Committee on Astrobiology and Planetary Sciences Meeting
Committee on Astrobiology and Planetary Sciences
031
Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/h... #astrobiology #exoplanet #Habitablity #biosignatures #IAC2026
astrobiology.com
High-CO2 Climates And Observables In The Outer Habitable Zone
The habitable zone (HZ) is a fundamental concept used to guide our search for temperate exoplanets.
050
Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/c... #astrobiology #genomics #biochemistry #originoflife #IAC2026
astrobiology.com
Chemical Structure Of RNA With Thiophosphate-modified Linker
[Tokyo Metropolitan University] Original source (Japanese) https://kyodonewsprwire.jp/release/202609246495 Points We discovered that the linkers (connection points) between ribosomal RNA (rRNA) and tr...
020
Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/a... #astrobiology #astronomy #astrochemistry #interstellar #IAC2026
astrobiology.com
A Full-Sky SPHEREx Map of Integrated 3.3 And 3.4 μm PAH Emission
[astro-ph.GA] Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in the interstellar medium and are among its smallest carbonaceous grains. Their infrared emission bands trace this small-grain pop...
040
Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/d... #astrobiology #exoplanet #astronomy #astrochemistry #IAC2026
astrobiology.com
Detecting Atmospheres In The Presence Of Stellar Contamination: An Empirically Calibrated Framework Applied To Four JWST/NIRSpec PRISM Transits Of TRAPPIST-1c
Transmission spectroscopy of rocky exoplanets orbiting late M dwarfs is limited by stellar contamination rather than photon noise.
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/t... #astrobiology #exoplanet #biosignatures #astronomy #astrochemistry #IAC2026
astrobiology.com
TOI-6981 b: A Transiting Sub-Neptune At The Water Ice Line
We present TOI-6981 b, a cold (Teq= 170.0 +/-4.5 K, assuming an Earth-like albedo) sub-Neptune (Rb=2.40+/-0.10 R⊕)
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/t... #astrobiology #astronomy #astrochemistry #interstellar #IAC2026
astrobiology.com
Thermally Irreversible Sulfur Chemisorption On Silicate Grains As A Major Sulfur Reservoir In Molecular Clouds
[astro-ph.GA] Sulfur (S) chemistry in the interstellar medium remains poorly constrained due to the longstanding “missing sulfur” problem, where a significant fraction of cosmic sulfur in molecular cl...
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/h... #astrobiology #astrogeology #atmosphere #IAC2026
astrobiology.com
Homogeneous Nucleation of Water Vapor Evidenced by Elongated Clouds on Mars
It is widely accepted that water vapor forms clouds by heterogeneous nucleation (condensation on pre-existing dry nuclei).
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/c... #astrobiology #astrochemistry #astrogeology #IAC2026
astrobiology.com
Chondrule Size Averaging In Two And Three Dimensions
Chondrule sizes are an important discriminant of chondrite groups and chondrule formation theories.
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/d... #astrobiology #exoplanet #astronomy #interstellar #IAC2026
astrobiology.com
Detecting Extragalactic Exoplanets With Fast Radio Burst Nanolensing
Fast Radio Bursts (FRBs) are spatially and temporally compact sources at cosmological distances.
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Astrobiology @astrobiology.bsky.social · 05/10/2026
astrobiology.com/2026/10/05/p... #astrobiology #Habitablity #biosignatures #prebiotic #IAC2026
astrobiology.com
Planetary Eccentricity Enhances Inward Comet Transport But Suppresses Gentle Impacts
Comets can supply volatile and prebiotic material to rocky planets, but survival of fragile molecules depends on atmospheric entry and impact.
020
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/c... #astrobiology #astrochemistry #astronomy
astrobiology.com
Chemical Diversity Of Dense Cores In Orion B: The Role Of The Environment
Pre-stellar cores are the sites of the earliest stages of star formation.
0133
Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/s... #astrobiology #Mars #astrogeology
astrobiology.com
Sulfate Deposits On Iani Chaos On Mars
This HiRISE image shows light-toned layered deposits within Iani Chaos
0231
Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/c... #astrobiology #astrogeology #exoplanet
astrobiology.com
Correlations Between The Carbon-to-Oxygen Ratio and the Orbital and Physical Properties of Exoplanets
Studies suggest that protoplanetary disks around stars with high carbon-to-oxygen (C/O) ratios can produce terrestrial planets
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Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/p... #astrobiology #genomics #evolution #synbio
astrobiology.com
Pathways Of Early Evolution From The Perspectives Of A Riboreplisome -- The Ultimate RNA Machine Of Life
Translation of the genetic code into proteins is universal across life,
050
Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/o... #astrobiology #astrogeology #interstellar #astrochemistry
astrobiology.com
On The Compositions Of Interstellar Objects
As physical samples of distant planetary systems, the compositions of interstellar objects (ISOs) should correlate with the properties of their diverse parent stars
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Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/p... #astrobiology #exoplanet #astronomy #stellarcartography
astrobiology.com
Planets Around Solar Twins/Analogs (PASTA) III: Chemical Clock Relations in Planet-Hosting Solar Analogs
Abundance ratios between elements synthesized on different nucleosynthetic timescales provide empirical chemical clocks
040
Astrobiology @astrobiology.bsky.social · 04/10/2026
astrobiology.com/2026/10/04/w... #astrobiology #interstellar #astrochemistry
astrobiology.com
Water Enhances The Formation Of Refractory Sulfur In Interstellar Ices
Sulfur is the tenth most abundant element in space
020
Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 02/10/2026
astrobiology.com/2026/10/01/n... #astrobiology #biosafety #PlanetaryProtection #Mars
astrobiology.com
NASA Planetary Protection Handbook
This handbook provides guidance to mission providers and Planetary Protection (PP) practitioners on implementing PP measures for both robotic and crewed space missions.
043
Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/c... #astrobiology #astrochemistry #astronomy
astrobiology.com
Chemical Diversity Of Dense Cores In Orion B: The Role Of The Environment
Pre-stellar cores are the sites of the earliest stages of star formation.
0133
Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/p... #astrobiology #astrochemistry #astronomy
astrobiology.com
Precise C-N-O Abundances of Individual Galaxies In The First Billion Years From Ultra-Deep, Rest-UV-to-Optical JWST Spectroscopy
ultra-deep spectroscopy of nine star-forming galaxies drawn from the Origins of Metal Enrichment in Galaxies at cosmic dAwn (OMEGA) survey.
020
Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/b... #astrobiology #virology #microbiology #genomics
astrobiology.com
Bacteriophage Qβ: Six Decades at the Frontier of Molecular and Viral Evolution Genome, Particle And Mutational Landscape Of Bacteriophage Qβ
Bacteriophage Qβ, first isolated in 1961, has served for more than six decades as a model system for molecular and viral evolution
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Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/s... #astrobiology #astrochemistry #astronomy
astrobiology.com
Secondary Ion-Ice Chemistry in UV-Irradiated Oxygen Ice: New Astrochemical Models Including Bulk Ionic Species
[ACS Earth Space Chemistry] Although energetic and nonenergetic processing of interstellar dust grain surfaces and ice is thought to be one of the dominant mechanisms for the extraterrestrial synthesi...
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Astrobiology @astrobiology.bsky.social · 03/10/2026
astrobiology.com/2026/10/03/c... #astrobiology #microbiology #0ceanography #spacelifescience
astrobiology.com
Controlled Near-space Exposure Induces Community Restructuring In An Ocean Water Microbiome
Marine microbiomes may experience extreme environmental stress during atmospheric transport,
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Astrobiology @astrobiology.bsky.social · 03/10/2026
current.fas.harvard.edu/stories/pope... #astrochemistry #astrobiology
current.fas.harvard.edu
Pope Leo XIV presents scientific honor to astrochemist Karin Öberg
The astrochemist traveled to Vatican City to accept the award in a September 24 ceremony.
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Reposted by Astrobiology
Astrobiology @astrobiology.bsky.social · 30/09/2026
astrobiology.com/2026/09/30/c... #astrobiology #Mars #Biosafety
astrobiology.com
COSPAR Panel On Planetary Protection Endorses Proposed Update To The Mars Planetary Protection Policy
Source: LinkedIn [COSPAR]. Yesterday, 29 September, the COSPAR Panel on Planetary Protection (PPP) at its Executive meeting endorsed a proposed update to the Mars planetary protection policy, followin...
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Astrobiology @astrobiology.bsky.social · 02/10/2026
astrobiology.com/2026/10/01/n... #astrobiology #biosafety #PlanetaryProtection #Mars
astrobiology.com
NASA Planetary Protection Handbook
This handbook provides guidance to mission providers and Planetary Protection (PP) practitioners on implementing PP measures for both robotic and crewed space missions.
043
Astrobiology @astrobiology.bsky.social · 02/10/2026
astrobiology.com/2026/10/02/a... #astrobiology #astrogeology #earth #climate #habitability
astrobiology.com
Ancient Seas Reveal Times When The Earth Rapidly Shifted Relative To Its Axis
Ancient sea-level changes provide new evidence that during the Jurassic and Cretaceous
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Astrobiology @astrobiology.bsky.social · 02/10/2026
astrobiology.com/2026/10/02/f... #astrobiology #Titan #astrogeology
astrobiology.com
Flow Dynamics Of Cryolava Or Impact Melt On Titan's surface
Titan, a unique body in the solar system, resembles a life-size Miller-Urey experiment where pockets of liquid water might interact with abundant organic matter.
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