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The Microbiology and Geochemistry of The Shallow-water Hydrothermal Vents of the Gulf of Naples, Italy - Astrobiology

Astrobiology @astrobiology.bsky.social · 27m

The Microbiology and Geochemistry of The Shallow-water Hydrothermal Vents of the Gulf of Naples, Italy
astrobiology.com/2025/10/the-... #astrobiology #extremophile

Shallow-water hydrothermal vents are dynamic ecosystems that occur below 200 m in tectonically active regions of the planet.

Microbial Exoenzymes Catalyzed The Transition To An Oxygenated Earth - Astrobiology

Astrobiology @astrobiology.bsky.social · 27m

Microbial Exoenzymes Catalyzed The Transition To An Oxygenated Earth
astrobiology.com/2025/10/micr... #astrobiology #Gaia

Microbial exoenzymes—extracellular enzymes secreted to degrade complex organic polymers

Endospore Integrity And Viability Of Bacillus subtilis On Simulated Martian Regolith In Rotational UVC Radiation Exposures - Astrobiology

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Astrobiology @astrobiology.bsky.social · 27m

Endospore Integrity And Viability Of Bacillus subtilis On Simulated Martian Regolith In Rotational UVC Radiation Exposures
astrobiology.com/2025/10/endo... #astrobiology #Mars

Current understanding of Martian regolith has advanced due to various rover explorations.

Enceladus' Tidal Heating: A Simple Approach - Astrobiology

Astrobiology @astrobiology.bsky.social · 28m

Enceladus's Tidal Heating: A Simple Approach
astrobiology.com/2025/10/ence... #astrobiology #Enceladus

Saturn’s moon Enceladus has a global ocean that is covered by an ice shell. The moon’s eccentric orbit forces the shell to librate, which distorts the shell and thereby generates heat. The resulting t...

Mars Crater Deposits Reveal A History Of Shrinking Ice Volumes Through Ages - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Mars Crater Deposits Reveal A History Of Shrinking Ice Volumes Through Ages
astrobiology.com/2025/10/mars... #astrobiology #Mars

For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into the dry planet we see today.

Coupled Planetary Interior and Tidal Evolution - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Coupled Planetary Interior and Tidal Evolution
astrobiology.com/2025/10/coup... #astrobiology #exoplanet

We present a new planetary structure/thermal evolution model, designed for use in problems that couple orbital dynamics with planetary structure.

The Impact Of Internal Versus External Perturbations On Close-in Exoplanet Architectures - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

The Impact Of Internal Versus External Perturbations On Close-in Exoplanet Architectures
astrobiology.com/2025/10/the-... #astrobiology #exoplanet

Young planetary systems are subjected to different dynamical effects that can influence their orbital structure over time.

A Systematic Study On The Properties Of Aromatic And Aliphatic Hydrocarbon Dust In Active Galactic Nuclei With AKARI Near-infrared Spectroscopy - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

A Systematic Study On The Properties Of Aromatic And Aliphatic Hydrocarbon Dust In Active Galactic Nuclei With AKARI Near-infrared Spectroscopy
astrobiology.com/2025/10/a-sy... #astrobiology #astrochemistry #astronomy

Recent near- and mid-infrared (IR) observations reveal the existence of appreciable amounts of aromatic and aliphatic hydrocarbon dust in the harsh environments of active galactic nuclei

Polycyclic Aromatic Hydrocarbons (PAHs) In The High-redshift Universe: Prospect Of The PRIMA FIRESS Low-resolution Spectroscopy - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Polycyclic Aromatic Hydrocarbons (PAHs) In The High-redshift Universe: Prospect Of The PRIMA FIRESS Low-resolution Spectroscopy
astrobiology.com/2025/10/poly... #astrobiology #astrochemistry #astronomy

The integrated luminosity from the features of the polycyclic aromatic hydrocarbons (PAHs) exceeds the luminosity from atomic and molecular emission lines in the star-forming regions in galaxies

Special Issue of Geosciences: "Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons" - Astrobiology

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Astrobiology @astrobiology.bsky.social · 1d

Special Issue of Geosciences: "Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons"
astrobiology.com/2025/10/spec... #astrobiology #Originoflife

Special Issue of Geosciences entitled "Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons

Distribution of Europium in The Milky Way Disk; Its Connection to Planetary Habitability and The Source of The R-Process - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Earth’s Oxygen Boom: A Fresh Perspective For A Billion-year-old Problem
astrobiology.com/2025/10/eart... #astrobiology #Originoflife

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Astrobiology @astrobiology.bsky.social · 2d

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 @astrobiology.bsky.social · 2d

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

The energy provided in the radioactive decay of thorium (Th) and uranium (U) isotopes

Exoplanets Beyond The Conservative Habitable Zone: II. Occurrence - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

Exoplanets Beyond The Conservative Habitable Zone: II. Occurrence
astrobiology.com/2025/10/exop... #astrobiology #exoplanet

We demonstrate that the extension of the Habitable Zone (HZ) due to the presence of liquid water

Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies
astrobiology.com/2025/10/arti... #astrobiology

Any population of artificial radio broadcasts in a galaxy contributes to its integrated radio luminosity.

Did Mars Once Have an Ocean? New Research Suggests Yes - Astrobiology

Astrobiology @astrobiology.bsky.social · 2d

Did Mars Once Have an Ocean? New Research Suggests Yes
astrobiology.com/2025/10/did-... #astrobiology #astrogeology #Mars

Billions of years ago, water flowed across Mars.

Optical Design Pathways to Fluidic Space-Assembled Reflectors & Dual-Configuration Spectrographs for Characterizing Exo-Earths - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

Optical Design Pathways to Fluidic Space-Assembled Reflectors & Dual-Configuration Spectrographs for Characterizing Exo-Earths
astrobiology.com/2025/10/opti... #astrobiology #exoplanet #astronomy

In-space assembly of optical reflectors can solve light-gathering aperture scaling, which currently limits space-borne optical telescopes.

Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets - Astrobiology

Astrobiology @astrobiology.bsky.social · 2d

Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets
astrobiology.com/2025/10/comp... #astrobiology #astrochemistry #interstellar #3IATLAS

We analyze polarimetric measurements of the interstellar Comet 3I/ATLAS

Plato Earth-like Exoplanet Searcher Is Ready For Final Tests - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

Plato Earth-like Exoplanet Searcher Is Ready For Final Tests
astrobiology.com/2025/10/plat... #astrobiology #astronomy #exoplanet

By fitting its sunshield and solar panels, engineers have completed the construction of Plato