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astrobiology.bsky.social
Astrobiology
@astrobiology.bsky.social
4.7K followers 1.6K following 5.5K posts
Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Sub-Neptune Exoplanet K2-18b Does Not Meet the Standards Of Evidence For Life
astrobiology.com/2025/10/sub-... #astrobiology #exoplanet
Sub-Neptune Exoplanet K2-18b Does Not Meet the Standards Of Evidence For Life - Astrobiology
K2-18b, a temperate sub-Neptune, has garnered significant attention due to claims of possible biosignatures in its atmosphere
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
You're on an #astrobiology expedition doing an assay of a habitable/inhabited world. You're trying to understand macro weather patterns. And your instruments see movement like this. How do you sort biosignatures from "weather"? (image source: birdcast.info/news/a-new-r...) #Birdcast
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Distribution of Europium in The Milky Way Disk; Its Connection to Planetary Habitability and The Source of The R-Process
astrobiology.com/2025/10/dist... #astrobiology #StellarCartography #astrochemistry
Distribution of Europium in The Milky Way Disk; Its Connection to Planetary Habitability and The Source of The R-Process - Astrobiology
The energy provided in the radioactive decay of thorium (Th) and uranium (U) isotopes
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Exoplanets Beyond The Conservative Habitable Zone: II. Occurrence
astrobiology.com/2025/10/exop... #astrobiology #exoplanet
Exoplanets Beyond The Conservative Habitable Zone: II. Occurrence - Astrobiology
We demonstrate that the extension of the Habitable Zone (HZ) due to the presence of liquid water
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies
astrobiology.com/2025/10/arti... #astrobiology
Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies - Astrobiology
Any population of artificial radio broadcasts in a galaxy contributes to its integrated radio luminosity.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Did Mars Once Have an Ocean? New Research Suggests Yes
astrobiology.com/2025/10/did-... #astrobiology #astrogeology #Mars
Did Mars Once Have an Ocean? New Research Suggests Yes - Astrobiology
Billions of years ago, water flowed across Mars.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Optical Design Pathways to Fluidic Space-Assembled Reflectors & Dual-Configuration Spectrographs for Characterizing Exo-Earths
astrobiology.com/2025/10/opti... #astrobiology #exoplanet #astronomy
Optical Design Pathways to Fluidic Space-Assembled Reflectors & Dual-Configuration Spectrographs for Characterizing Exo-Earths - Astrobiology
In-space assembly of optical reflectors can solve light-gathering aperture scaling, which currently limits space-borne optical telescopes.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets
astrobiology.com/2025/10/comp... #astrobiology #astrochemistry #interstellar #3IATLAS
Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets - Astrobiology
We analyze polarimetric measurements of the interstellar Comet 3I/ATLAS
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Plato Earth-like Exoplanet Searcher Is Ready For Final Tests
astrobiology.com/2025/10/plat... #astrobiology #astronomy #exoplanet
Plato Earth-like Exoplanet Searcher Is Ready For Final Tests - Astrobiology
By fitting its sunshield and solar panels, engineers have completed the construction of Plato
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Preliminary Planning For Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)
astrobiology.com/2025/10/prel... #astrobiology #Mars #biosafety
Preliminary Planning For Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF) - Astrobiology
The Mars Sample Return Planning Group 2 (MSPG2) was tasked with identifying the steps that encompass all the curation activities that would happen within the MSR Sample Receiving Facility (SRF)
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Raging Winds On Mars
astrobiology.com/2025/10/ragi... #astrobiology #astrogeology #Mars
Raging Winds On Mars - Astrobiology
Despite the very thin Martian atmosphere, there are also winds on Mars that are central to the climate and the distribution of dust.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 14h
Sub-Neptune Exoplanet K2-18b Does Not Meet the Standards Of Evidence For Life
astrobiology.com/2025/10/sub-... #astrobiology #exoplanet
Sub-Neptune Exoplanet K2-18b Does Not Meet the Standards Of Evidence For Life - Astrobiology
K2-18b, a temperate sub-Neptune, has garnered significant attention due to claims of possible biosignatures in its atmosphere
astrobiology.com
1
astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 15h
APEX is back! Organic–mineral associations in Jezero crater www.ucl.ac.uk/mathematical... #astrobiology @ucl @uclevents
APEX is back! Organic–mineral associations in Jezero crater
We are delighted to welcome back our APEX seminar series with a talk from Dr Keyron Hickman-Lewis, Lecturer in Planetary Exploration at Birkbeck, University of London.
www.ucl.ac.uk
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 15h
“Life Among the Stars and on Earth”: A Conversation with Professor Charles Cockell
universemagazine.com/en/life-amon... #astrobiology @charlescockell
"Life Among the Stars and on Earth": A Conversation with Professor Charles Cockell
Our team and students had a unique opportunity to listen to a lecture and talk with Charles Cockell, a distinguished British professor of astrobiology at the University of Edinburgh.
universemagazine.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Re-accretion of Giant Impact Ejecta Can Drive Significant Atmospheric Erosion on Terrestrial Planets
astrobiology.com/2025/10/re-a... #astrobiology #extinction #Impactevent
Re-accretion of Giant Impact Ejecta Can Drive Significant Atmospheric Erosion on Terrestrial Planets - Astrobiology
Giant impacts, the collisions between planetary embryos, play a crucial role in sculpting the planets and their orbital architectures.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Secular Resonances in Planet-Hosting Binary Stars. II. Application to Terrestrial Planet Formation
astrobiology.com/2025/10/secu... #astrobiology #exoplanet
Secular Resonances in Planet-Hosting Binary Stars. II. Application to Terrestrial Planet Formation - Astrobiology
Continuing our study of the effects of secular resonances on the formation of terrestrial planets
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Planning Considerations Related to Contamination Control for the Return and Analysis of Martian Samples
astrobiology.com/2025/10/plan... #astrobiology #Mars #biosafety
Planning Considerations Related to Contamination Control for the Return and Analysis of Martian Samples - Astrobiology
The joint National Aeronautics and Space Administration and European Space Agency Mars Sample Return (MSR) Campaign
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Artificial Broadcasts as Galactic Populations: II. Comparing Individualist and Collective Bounds on Broadcast Populations in Single Galaxies
astrobiology.com/2025/10/arti... #astrobiology #SETI
Artificial Broadcasts as Galactic Populations: II. Comparing Individualist and Collective Bounds on Broadcast Populations in Single Galaxies - Astrobiology
The search for extraterrestrial intelligence includes efforts to constrain populations of artificial broadcasts in other galaxies.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
SynBio: A Ring Has Been Added Onto Existing Ribosome Proteins
astrobiology.com/2025/10/synb... #astrobiology #synbio #genomics #evolution
SynBio: A Ring Has Been Added Onto Existing Ribosome Proteins - Astrobiology
Inside our cells, ribosomes-the tireless “protein factories” of life-have just shown off a new skill they haven’t used in billions of years.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Advancing the Concept Maturity Level of the Servicing Architecture for Habitable Worlds Observer
astrobiology.com/2025/10/adva... #astrobiology #exoplanet #astronomy
Advancing the Concept Maturity Level of the Servicing Architecture for Habitable Worlds Observer - Astrobiology
This paper advances the concept maturity level (CML) of the Habitable Worlds Observatory (HWO) servicing architecture.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Astrogeology and Astrochemistry: Apollo Samples From 1972 Reveal Exotic Sulfur Hidden In The Moon’s Mantle
astrobiology.com/2025/10/astr... #astrobiology #astrochemistry #Artemis #astrogeology
Astrogeology and Astrochemistry: Apollo Samples From 1972 Reveal Exotic Sulfur Hidden In The Moon’s Mantle - Astrobiology
When astronauts returned from NASA’s final Apollo Moon mission in 1972, some of the samples they collected were sealed and carefully stored away
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Reconstructing Jezero Crater’s Paleoenvironment: Insights from Perseverance Rover and Orbital Data
astrobiology.com/2025/10/reco... #astrobiology
Reconstructing Jezero Crater’s Paleoenvironment: Insights from Perseverance Rover and Orbital Data - Astrobiology
Jezero Crater on Mars is a critical site for investigating ancient aqueous environments due to its preserved delta and lacustrine features.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Neutron Scanning Of Coral Fossils Reveals Earth’s Hidden Climate History
astrobiology.com/2025/10/neut... #astrobiology
Neutron Scanning Of Coral Fossils Reveals Earth’s Hidden Climate History - Astrobiology
A University of Sydney student has developed a completely new way to peer inside coral fossils to recover lost records of past climate change.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
Astrochemistry: Physicists Uncork A Message In A Bottle From Another Star
astrobiology.com/2025/10/astr... #astrobiology #astrochemistry
Astrochemistry: Physicists Uncork A Message In A Bottle From Another Star - Astrobiology
For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.
astrobiology.com
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 1d
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astrobiology.bsky.social
Astrobiology @astrobiology.bsky.social · 2d
Exploring The Interior Structure And Mode Of Tidal Heating In Enceladus
astrobiology.com/2025/05/geod... #astrobiology #astrogeology #Enceladus
Exploring The Interior Structure And Mode Of Tidal Heating In Enceladus - Astrobiology
Enceladus is among the most intriguing bodies in the solar system due to its astrobiological potential.
astrobiology.com
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