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Secular Resonances in Planet-Hosting Binary Stars. II. Application to Terrestrial Planet Formation - Astrobiology

Astrobiology @astrobiology.bsky.social · 4h

Secular Resonances in Planet-Hosting Binary Stars. II. Application to Terrestrial Planet Formation
astrobiology.com/2025/10/secu... #astrobiology #exoplanet

Continuing our study of the effects of secular resonances on the formation of terrestrial planets

Planning Considerations Related to Contamination Control for the Return and Analysis of Martian Samples - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

Planning Considerations Related to Contamination Control for the Return and Analysis of Martian Samples
astrobiology.com/2025/10/plan... #astrobiology #Mars #biosafety

The joint National Aeronautics and Space Administration and European Space Agency Mars Sample Return (MSR) Campaign

Artificial Broadcasts as Galactic Populations: II. Comparing Individualist and Collective Bounds on Broadcast Populations in Single Galaxies - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

Artificial Broadcasts as Galactic Populations: II. Comparing Individualist and Collective Bounds on Broadcast Populations in Single Galaxies
astrobiology.com/2025/10/arti... #astrobiology #SETI

The search for extraterrestrial intelligence includes efforts to constrain populations of artificial broadcasts in other galaxies.

SynBio: A Ring Has Been Added Onto Existing Ribosome Proteins - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

SynBio: A Ring Has Been Added Onto Existing Ribosome Proteins
astrobiology.com/2025/10/synb... #astrobiology #synbio #genomics #evolution

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.

Advancing the Concept Maturity Level of the Servicing Architecture for Habitable Worlds Observer - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

Advancing the Concept Maturity Level of the Servicing Architecture for Habitable Worlds Observer
astrobiology.com/2025/10/adva... #astrobiology #exoplanet #astronomy

This paper advances the concept maturity level (CML) of the Habitable Worlds Observatory (HWO) servicing architecture.

Astrogeology and Astrochemistry: Apollo Samples From 1972 Reveal Exotic Sulfur Hidden In The Moon’s Mantle - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

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

When astronauts returned from NASA’s final Apollo Moon mission in 1972, some of the samples they collected were sealed and carefully stored away

Reconstructing Jezero Crater’s Paleoenvironment: Insights from Perseverance Rover and Orbital Data - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

Reconstructing Jezero Crater’s Paleoenvironment: Insights from Perseverance Rover and Orbital Data
astrobiology.com/2025/10/reco... #astrobiology

Jezero Crater on Mars is a critical site for investigating ancient aqueous environments due to its preserved delta and lacustrine features.

Neutron Scanning Of Coral Fossils Reveals Earth’s Hidden Climate History - Astrobiology

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Astrobiology @astrobiology.bsky.social · 4h

Neutron Scanning Of Coral Fossils Reveals Earth’s Hidden Climate History
astrobiology.com/2025/10/neut... #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.

Astrochemistry: Physicists Uncork A Message In A Bottle From Another Star - Astrobiology

Astrobiology @astrobiology.bsky.social · 4h

Astrochemistry: Physicists Uncork A Message In A Bottle From Another Star
astrobiology.com/2025/10/astr... #astrobiology #astrochemistry

For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

Exploring The Interior Structure And Mode Of Tidal Heating In Enceladus - Astrobiology

Astrobiology @astrobiology.bsky.social · 7h

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Astrobiology @astrobiology.bsky.social · 1d

Exploring The Interior Structure And Mode Of Tidal Heating In Enceladus
astrobiology.com/2025/05/geod... #astrobiology #astrogeology #Enceladus

Enceladus is among the most intriguing bodies in the solar system due to its astrobiological potential.

Bringing The Digital Revolution To Direct Exoplanet Imaging With PLACID’s LCD Technology - Astrobiology

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Astrobiology @astrobiology.bsky.social · 1d

Bringing The Digital Revolution To Direct Exoplanet Imaging With PLACID’s LCD Technology
astrobiology.com/2025/10/brin... #astrobiology #astronomy #exoplanet

A game-changing instrument is set to improve the detection and direct imaging of planets outside our Solar System by harnessing the power of liquid crystals.

Rocket Test Proves Bacteria Survive Space Launch And Re-entry Unharmed - Astrobiology

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Astrobiology @astrobiology.bsky.social · 1d

Rocket Test Proves Bacteria Survive Space Launch And Re-entry Unharmed
astrobiology.com/2025/10/rock... #astrobiology #microgravity #suborbital

A world-first study has proven microbes essential for human health can survive the extreme forces of space launch.

Opportunity To Apply To A New International Mars Exploration Working Group on Planetary Protection - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Opportunity To Apply To A New International Mars Exploration Working Group on Planetary Protection
astrobiology.com/2025/10/oppo... #astrobiology #Mars

The IMEWG (International Mars Exploration Working Group) is planning to stand up a sub-working group to identify international science and planetary protection goals and scope priorities

Production and Preservation of Lipid Biosignatures in SO4-Rich Hypersaline Lakes of the Cariboo Plateau - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Production and Preservation of Lipid Biosignatures in SO4-Rich Hypersaline Lakes of the Cariboo Plateau
astrobiology.com/2025/10/prod... #astrobiology #extremophile

Modern and ancient hypersaline lakes and oceans have been identified across the solar system.

Exoplanets Beyond The Conservative Habitable Zone: I. Habitability - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

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

The Habitable Zone (HZ) is defined by the possibility of sustaining liquid water on a planetary surface.

Artificial Broadcasts as Galactic Populations: I. A Point Process Formalism for Extraterrestrial Intelligences and Their Broadcasts - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Artificial Broadcasts as Galactic Populations: I. A Point Process Formalism for Extraterrestrial Intelligences and Their Broadcasts
astrobiology.com/2025/10/arti... #astrobiology #SETI

Artificial broadcasts from extraterrestrial intelligences (ETIs) are a hypothetical class of celestial phenomena.

Contrasting Genomic Responses of Hydrothermal Vent Animals and Their Symbionts to Population Decline After the Hunga Volcanic Eruption - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

Contrasting Genomic Responses of Hydrothermal Vent Animals and Their Symbionts to Population Decline After the Hunga Volcanic Eruption
astrobiology.com/2025/10/cont... #astrobiology #oceanography #volcano

Genetic bottlenecks are evolutionary events that reduce the effective size and diversity of natural populations, often limiting a population's ability to adapt to environmental change.

Solar Hegemony: M-Dwarfs Are Unlikely to Host Observers Such as Ourselves - Astrobiology

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Astrobiology @astrobiology.bsky.social · 1d

Solar Hegemony: M-Dwarfs Are Unlikely to Host Observers Such as Ourselves
astrobiology.com/2025/10/sola... #astrobiology #SETI

With no firm evidence for life beyond our solar system, inferences about the population observers such as ourselves rests upon the Earth as a single input, at least for now.

ExoMars And Mars Express Observe Interstellar Comet 3I/ATLAS - Astrobiology

Astrobiology @astrobiology.bsky.social · 1d

ExoMars And Mars Express Observe Interstellar Comet 3I/ATLAS
astrobiology.com/2025/10/exom... #astrobiology #interstellar #comet #3IATLAS

ESA’s ExoMars Trace Gas Orbiter (TGO) and Mars Express spacecraft turned their eyes towards interstellar comet 3I/ATLAS

Molecular Mobility of Extraterrestrial Ices: Surface Diffusion in Astrochemistry and Planetary Science - Astrobiology

Astrobiology @astrobiology.bsky.social · 2d

Molecular Mobility of Extraterrestrial Ices: Surface Diffusion in Astrochemistry and Planetary Science
astrobiology.com/2025/10/mole... #astrobiology #astrochemistry #astrogeology

Molecules are ubiquitous in space. They are necessary component in the creation of habitable planetary systems and can provide the basic building blocks of life.

The Near-Infrared Spectral Characteristics of Water Ice, Epsomite, and Halite Mixtures Relevant to Europa - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

The Near-Infrared Spectral Characteristics of Water Ice, Epsomite, and Halite Mixtures Relevant to Europa
astrobiology.com/2025/10/the-... #astrobiology #astrochemistry #astrogeology

We publish the first NIR spectra of grain particulate mixtures of water ice, epsomite, and halite at cryogenic temperatures.

JWST/MIRI Imaging of the Warm Dust Component of the Epsilon Eridani Debris Disk - Astrobiology

Astrobiology @astrobiology.bsky.social · 2d

JWST/MIRI Imaging of the Warm Dust Component of the Epsilon Eridani Debris Disk
astrobiology.com/2025/10/jwst... #astrobiology #astrochemistry #exoplanet

We present JWST/MIRI observations of the debris disk surrounding the nearby, solar analog Epsilon Eridani obtained as part of the Archetypal Debris Disk GTO program.

Tricorder Tech: AI Matches Human Experts In Classifying Microscopic Organisms - Astrobiology

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Astrobiology @astrobiology.bsky.social · 2d

Tricorder Tech: AI Matches Human Experts In Classifying Microscopic Organisms
astrobiology.com/2025/10/tric... #astrobiology #Tricorder #AwayTeam #AI

Foraminifera (forams) are shelled microorganisms that are abundant in the Earth’s seabed.