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Top astrobiology.com News

NASA

JWST and Orbit Models Bolster Gas Giant Candidate in Alpha Centauri A's Habitable Zone

55% Center coverage: 20 sources

See the Story

Space

Hubble Space Telescope Takes Best Picture yet of Visitor From Another Solar System

53% Center coverage: 19 sources

A high-speed comet is visiting our solar system from another star.See the Story

Russia · Russia

Scientists say they cruised the ocean in a deep-sea submersible and came across an undiscovered ecosystem

90% Center coverage: 10 sources

By Marlowe Starling, CNN (CNN) — Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The expedition revealed methane-producing microbes and marine invertebrates that make their home in unforgiving conditions where the sun’s rays don’t reach, according to a new study. Geochemist Mengran Du had 30 minutes left …See the Story

No Earth-Like Atmosphere Found on Exoplanet TRAPPIST-1 D

71% Center coverage: 7 sources

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is similar in size to Earth, rocky, and resides in an area around its star where liquid water on its surface is theoretically possible. But according to a new study using data from the NASA/ESA/CSA James Webb Space Telescope, it does not have an Earth-like atmosphere.NASA · Germany See the Story

NASA’s Hubble Tracks Alien Comet Moving At 36-Miles/Sec Towards Sun

100% Center coverage: 3 sources

NASA's Hubble Space Telescope has captured an image of interstellar comet 3I/ATLAS moving through the solar system at 130,000 mph.Space See the Story

Digital Twin for Analog Mars Missions: Investigating Local Positioning Alternatives for GNSS-Denied Environments - Astrobiology

Future planetary exploration missions will rely heavily on efficient human–robot interaction to ensure astronaut safety and maximize scientific return. In this context, digital twins offer a promising tool for planning, simulating, and optimizing extravehicular activities. This study presents the development and evaluation of a digital twin for the AMADEE-24 analog Mars mission, organized by the […] The post Digital Twin for Analog Mars Missions…Read Article

Intact Polar Lipids As Organic Biomarkers Of Viable Extraterrestrial Life - Astrobiology

The detection of viable life is a key objective for both in situ astrobiological experiments on extraterrestrial bodies, and for planetary protection protocols on Earth following sample return. We evaluated the potential for common bacterial and archaeal intact polar lipids (IPLs) to be used as viable life markers owing to their particularly fast rate (hours […] The post Intact Polar Lipids As Organic Biomarkers Of Viable Extraterrestrial Life a…Read Article

On The Emergence Of Metabolism: The Evolution Of Proteins That Powered Life - Astrobiology

Life is far from thermodynamic equilibrium. Hence, life must extract energy from the environment. On Earth, that energy is driven by networks of metabolic reactions in all cells which ultimately move electrons and protons (i.e. hydrogen atoms) across the planet. The origin of metabolism required the emergence and evolution of proteins. Proteins are nanometre-scale chemical […] The post On The Emergence Of Metabolism: The Evolution Of Proteins Th…Energy Read Article

Linking Planet Formation To Exoplanet Characteristics: C/O As A Diagnostic Of Planet Formation - Astrobiology

Gas-giant exoplanets are test cases for theories of planet formation as their atmospheres are proposed to carry signatures of their formation within the protoplanetary disk. The metallicity and C/O are key diagnostics, allowing to distinguish formation location within the disk (e.g., relative to snowlines), and mechanism (e.g., core accretion versus gravitational instability). We can now […] The post Linking Planet Formation To Exoplanet Charact…Read Article

Studying Exoplanets In The Radio From The Moon - Astrobiology

Exoplanets with and without a magnetic field are predicted to form, behave, and evolve very differently. Therefore, there is great need to directly constrain these fields to holistically understand the properties of exoplanets including their potential habitability. This goal aligns with the Astro2020 Decadal Survey recommendations. Observing planetary auroral radio emissions is among the most […] The post Studying Exoplanets In The Radio From T…Read Article

Quantifying Thermal Water Dissociation In The Dayside Photosphere Of WASP-121 b Using NIRPS - Astrobiology

The intense stellar irradiation of ultra-hot Jupiters results in some of the most extreme atmospheric environments in the planetary regime. On their daysides, temperatures can be sufficiently high for key atmospheric constituents to thermally dissociate into simpler molecular species and atoms. This dissociation drastically changes the atmospheric opacities and, in turn, critically alters the temperature […] The post Quantifying Thermal Water Di…Read Article

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Top astrobiology.com News

JWST and Orbit Models Bolster Gas Giant Candidate in Alpha Centauri A's Habitable Zone

Hubble Space Telescope Takes Best Picture yet of Visitor From Another Solar System

Scientists say they cruised the ocean in a deep-sea submersible and came across an undiscovered ecosystem

No Earth-Like Atmosphere Found on Exoplanet TRAPPIST-1 D

NASA’s Hubble Tracks Alien Comet Moving At 36-Miles/Sec Towards Sun

Digital Twin for Analog Mars Missions: Investigating Local Positioning Alternatives for GNSS-Denied Environments - Astrobiology

Intact Polar Lipids As Organic Biomarkers Of Viable Extraterrestrial Life - Astrobiology

On The Emergence Of Metabolism: The Evolution Of Proteins That Powered Life - Astrobiology

Linking Planet Formation To Exoplanet Characteristics: C/O As A Diagnostic Of Planet Formation - Astrobiology

Studying Exoplanets In The Radio From The Moon - Astrobiology

Quantifying Thermal Water Dissociation In The Dayside Photosphere Of WASP-121 b Using NIRPS - Astrobiology

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No Earth-Like Atmosphere Found on Exoplanet TRAPPIST-1 D

NASA’s Hubble Tracks Alien Comet Moving At 36-Miles/Sec Towards Sun

Digital Twin for Analog Mars Missions: Investigating Local Positioning Alternatives for GNSS-Denied Environments - Astrobiology

Intact Polar Lipids As Organic Biomarkers Of Viable Extraterrestrial Life - Astrobiology

On The Emergence Of Metabolism: The Evolution Of Proteins That Powered Life - Astrobiology

Linking Planet Formation To Exoplanet Characteristics: C/O As A Diagnostic Of Planet Formation - Astrobiology

Studying Exoplanets In The Radio From The Moon - Astrobiology

Quantifying Thermal Water Dissociation In The Dayside Photosphere Of WASP-121 b Using NIRPS - Astrobiology