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Astrobiology
@astrobiology.bsky.social
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Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.
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Astrobiology @astrobiology.bsky.social · 14h
Global Distribution Of The Key Species on the Surface of Europa
astrobiology.com/2025/11/glob... #astrobiology #Europa
Global Distribution Of The Key Species on the Surface of Europa - Astrobiology
The icy surface of Europa is continuously bombarded by ions and electrons from Jupiter's magnetosphere.
astrobiology.com
Reposted by Astrobiology
setiinstitute.bsky.social
PRESS RELEASE: buff.ly/BKWD0nN

The SETI Institute announced the appointment of Dr. Christina (Chrissy) Richey as Director of Partnerships and Business Development, effective October 16, 2025. Richey joins the SETI Institute from NASA’s Jet Propulsion Laboratory (JPL). 🧪 🔭 👩‍🔬
SETI Institute logo. Text: SETI Institute welcomes Dr. Christina (Chrissy) Richey as Director of Partnerships & Business Development. Background: Photo of Dr. Richey with short, aqua hair, long star earrings, a gray cardigan, and a blue draped top.
November 13, 2025 at 6:15 PM
astrobiology.bsky.social
Earth’s Largest Modern Crater Discovered In Southern China
astrobiology.com/2025/11/eart... #astrobiology #ImpactEvent
Earth’s Largest Modern Crater Discovered In Southern China - Astrobiology
A newly discovered, remarkably well-preserved impact crater is shedding fresh light on how extraterrestrial bodies collide with Earth.
astrobiology.com
November 13, 2025 at 8:40 PM
astrobiology.bsky.social
AI World Model To Simulate The Earth System
astrobiology.com/2025/11/ai-w... #astrobiology #AI #Gaia
AI World Model To Simulate The Earth System - Astrobiology
Climate change is already reshaping global weather patterns and ecosystems around the world
astrobiology.com
November 13, 2025 at 8:40 PM
astrobiology.bsky.social
Using Stellar Spectral Energy Distributions to Measure Exoplanet Parameters
astrobiology.com/2025/11/usin... #astrobiology #exoplanet
Using Stellar Spectral Energy Distributions to Measure Exoplanet Parameters - Astrobiology
The ability to make accurate determinations of planetary parameters is inextricably linked to measuring physical parameters of the host sta
astrobiology.com
November 13, 2025 at 8:40 PM
astrobiology.bsky.social
Dust Recycling and Icy Volatile Delivery (DRIVE): A Novel Method of Volatile Enrichment in Cold Giant Planets
astrobiology.com/2025/11/dust... #astrobiology #exoplanet
Dust Recycling and Icy Volatile Delivery (DRIVE): A Novel Method of Volatile Enrichment in Cold Giant Planets - Astrobiology
Giant planet atmospheres are thought to reflect the gas phase composition of the disk when and where they formed
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
A Closed-Form Analytical Theory of Non-Isobaric Transmission Spectroscopy for Exoplanet Atmospheres
astrobiology.com/2025/11/a-cl... #astrobiology #exoplanet
A Closed-Form Analytical Theory of Non-Isobaric Transmission Spectroscopy for Exoplanet Atmospheres - Astrobiology
Analytical models are essential for building physical intuition and guiding the interpretation of exoplanet observations
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
Evidence Of Ancient Underground Water Reveals Mars May Have Stayed Habitable Longer Than Believed
astrobiology.com/2025/11/evid... #astrobiology #Mars
Evidence Of Ancient Underground Water Reveals Mars May Have Stayed Habitable Longer Than Believed - Astrobiology
new evidence that water once flowed beneath the surface of Mars
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
Water-driven Accessible Potential Karstic Caves in Hebrus Valles, Mars: Implications for Subsurface Habitability
astrobiology.com/2025/11/wate... #astrobiology #mars
Water-driven Accessible Potential Karstic Caves in Hebrus Valles, Mars: Implications for Subsurface Habitability - Astrobiology
The Hebrus Valles region on Mars exhibits geomorphological indicators of past aqueous activity, such as fluvial channels and aligned sinkholes.
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
First Confirmed Sighting Of Explosive Burst On Nearby Star
astrobiology.com/2025/11/firs... #astrobiology #exoplanet
First Confirmed Sighting Of Explosive Burst On Nearby Star - Astrobiology
The atmosphere-stripping ability of the CME is an exciting discovery for our hunt for life around other stars.
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
An Overview Of Exocomets
astrobiology.com/2025/11/an-o... #astrobiology #comet
An Overview Of Exocomets - Astrobiology
We give a general overview of what the scientific community refers to as "exocomets"
astrobiology.com
November 13, 2025 at 8:39 PM
astrobiology.bsky.social
Global Distribution Of The Key Species on the Surface of Europa
astrobiology.com/2025/11/glob... #astrobiology #Europa
Global Distribution Of The Key Species on the Surface of Europa - Astrobiology
The icy surface of Europa is continuously bombarded by ions and electrons from Jupiter's magnetosphere.
astrobiology.com
November 13, 2025 at 8:38 PM
Reposted by Astrobiology
nasawatch.bsky.social
On 13 Nov 2026 #NASA's Voyager 1 will be one light day (25.9b km/16b mi) from Earth. No other nation has done this - yet Voyager carries greetings from all humanity. We're not only spacefaring - we're now starfaring. How about a #LightDay - some #interstellar #softpower for NASA?
November 12, 2025 at 7:31 PM
Reposted by Astrobiology
nasawatch.bsky.social
A Message From #NASA Associate Administrator Amit Kshatriya Anticipation of Resuming Normal Operations
November 13, 2025 at 12:02 AM
astrobiology.bsky.social
General Circulation Models Of Hycean Worlds
astrobiology.com/2025/11/gene... #astrobiology #exoplanet #biosignatures
General Circulation Models Of Hycean Worlds - Astrobiology
Sub-Neptunes represent the current frontier of exoplanet atmospheric characterisation.
astrobiology.com
November 12, 2025 at 7:50 PM
astrobiology.bsky.social
Searching For Exoplanets Born Outside The Milky Way: VOYAGERS Survey Design
astrobiology.com/2025/11/sear... #astrobiology #exoplanet #Interstellar #astronomy
Searching For Exoplanets Born Outside The Milky Way: VOYAGERS Survey Design - Astrobiology
Observations over the past few decades have found that planets are common around nearby stars in our Galaxy, but little is known about planets that formed outside the Milky Way.
astrobiology.com
November 12, 2025 at 7:50 PM
astrobiology.bsky.social
How To Spot Life In The Clouds On Other Worlds
astrobiology.com/2025/11/how-... #astrobiology #exoplanet #biosignatures
How To Spot Life In The Clouds On Other Worlds - Astrobiology
An exoplanet with dense or even total cloud cover could help astronomers searching for signs of life beyond our planet.
astrobiology.com
November 12, 2025 at 7:50 PM
astrobiology.bsky.social
Flower-like Satellite Constellations To Guide Future Missions Around Titan
Satellite Navigation
astrobiology.com/2025/11/flow... #astrobiology #biosignatures #remotesensing
Flower-like Satellite Constellations To Guide Future Missions Around TitanSatellite Navigation - Astrobiology
A new study proposes an innovative satellite constellation architecture based on the 2D Necklace Flower Constellation methodolog
astrobiology.com
November 12, 2025 at 7:50 PM
astrobiology.bsky.social
Three New Light Curves and Updated Transit Timings of WASP-135 b
astrobiology.com/2025/11/thre... #astrobiology #exoplanet
Three New Light Curves and Updated Transit Timings of WASP-135 b - Astrobiology
We present updated transit timing measurements for the hot Jupiter WASP-135 b
astrobiology.com
November 12, 2025 at 7:50 PM
astrobiology.bsky.social
Resurrected Nitrogenases Recapitulate Canonical N-isotope Biosignatures Over Two Billion Years
astrobiology.com/2025/11/resu... #astrobiology #genomics #evolution #biosignatures
Resurrected Nitrogenases Recapitulate Canonical N-isotope Biosignatures Over Two Billion Years - Astrobiology
Nitrogen isotope fractionation (ε15N) in sedimentary rocks has provided evidence for biological nitrogen fixation, and thus primary productivity, on the early Earth.
astrobiology.com
November 12, 2025 at 7:49 PM
astrobiology.bsky.social
Hidden In Plain Sight? Some Challenges And Needs For Practical Planetary Biosignature Exploration, Both Home And Away-A Mini-Review
astrobiology.com/2025/11/hidd... #astrobiology #biosignatures
Hidden In Plain Sight? Some Challenges And Needs For Practical Planetary Biosignature Exploration, Both Home And Away-A Mini-Review - Astrobiology
Identifying organic molecular biosignatures for life is challenging
astrobiology.com
November 12, 2025 at 7:49 PM
astrobiology.bsky.social
Jumping Genes Help Resolve The Tree Of Life
astrobiology.com/2025/11/jump... #astrobiology #genomics #evolution
Jumping Genes Help Resolve The Tree Of Life - Astrobiology
Genomes are key to unlocking life’s evolutionary history.
astrobiology.com
November 12, 2025 at 7:49 PM
astrobiology.bsky.social
Space Dust Reveals Arctic Ice Conditions Before Satellite Imaging
astrobiology.com/2025/11/spac... #astrobiology #arctic #astrochemistry #Interstellar
November 12, 2025 at 7:49 PM
astrobiology.bsky.social
Are We There Yet? Challenges In Quantifying The Frequency Of Earth Analogs In The Habitable Zone
astrobiology.com/2025/11/are-... #astrobiology #exoplanet #biosignatures
Are We There Yet? Challenges In Quantifying The Frequency Of Earth Analogs In The Habitable Zone - Astrobiology
Searching for life elsewhere in the universe is one of the most highly prioritized pursuits in astronomy today
astrobiology.com
November 12, 2025 at 7:48 PM
astrobiology.bsky.social
Kerogen Detection in Neoarchean and Eocene Microbialites via Deep UV Raman and Fluorescence Spectroscopy Using a SHERLOC Analog Instrument
astrobiology.com/2025/11/kero... #astrobiology #Mars #biosignatures #tricorder
Kerogen Detection in Neoarchean and Eocene Microbialites via Deep UV Raman and Fluorescence Spectroscopy Using a SHERLOC Analog Instrument - Astrobiology
potential Raman detections of macromolecular carbon in data collected on the floor of Jezero crater
astrobiology.com
November 11, 2025 at 6:23 PM
astrobiology.bsky.social
Upper Limits On Atmospheric Abundances Of KELT-11b And WASP-69b From A Retrieval Approach
astrobiology.com/2025/11/uppe... #astrobiology #exoplanet
Upper Limits On Atmospheric Abundances Of KELT-11b And WASP-69b From A Retrieval Approach - Astrobiology
WASP-69b and KELT-11b are two low-density hot Jupiters, which are expected to show strong atmospheric features in their transmission spectra.
astrobiology.com
November 11, 2025 at 6:23 PM