Chirality in organic and mineral systems: A review of reactivity and alteration processes relevant to prebiotic chemistry and life detection missions

C Lee, JM Weber, LE Rodriguez, RY Sheppard… - Symmetry, 2022 - mdpi.com
Chirality is a central feature in the evolution of biological systems, but the reason for
biology's strong preference for specific chiralities of amino acids, sugars, and other …

Tunable laser spectrometers for planetary science

CR Webster, AE Hofmann, PR Mahaffy, SK Atreya… - Space Science …, 2023 - Springer
Distinguishing planetary formation and evolution pathways and understanding the origins of
volatiles on planetary bodies requires determination of relative abundances and isotope …

A robust, agnostic molecular biosignature based on machine learning

HJ Cleaves, G Hystad, A Prabhu… - Proceedings of the …, 2023 - National Acad Sciences
The search for definitive biosignatures—unambiguous markers of past or present life—is a
central goal of paleobiology and astrobiology. We used pyrolysis–gas chromatography …

Exploratory data analysis (EDA) machine learning approaches for ocean world analog mass spectrometry

V Da Poian, B Theiling, L Clough… - Frontiers in Astronomy …, 2023 - frontiersin.org
Many upcoming and proposed missions to ocean worlds such as Europa, Enceladus, and
Titan aim to evaluate their habitability and the existence of potential life on these moons …

Life on the edge: bioprospecting extremophiles for astrobiology

J Schultz, A dos Santos, N Patel, AS Rosado - Journal of the Indian …, 2023 - Springer
Discovering exoplanets and satellites in habitable zones within and beyond our solar
system has sparked intrigue in planetary setting varieties that could support life. Based on …

In situ organic biosignature detection techniques for space applications

V Abrahamsson, I Kanik - Frontiers in Astronomy and Space Sciences, 2022 - frontiersin.org
The search for life in Solar System bodies such as Mars and Ocean Worlds (eg, Europa and
Enceladus) is an ongoing and high-priority endeavor in space science, even∼ five decades …

An information theory approach to identifying signs of life on transiting planets

S Vannah, M Gleiser… - Monthly Notices of the …, 2024 - academic.oup.com
Can information theory provide insights into whether exoplanets are habitable? Here, we
apply information theory to a range of simulated exoplanet transmission spectra as a …

Chapter 9: Life as We Don't Know It

N Grefenstette, L Chou, S Colón-Santos, TM Fisher… - Astrobiology, 2024 - liebertpub.com
While Earth contains the only known example of life in the universe, it is possible that life
elsewhere is fundamentally different from what we are familiar with. There is an increased …

Agnostic Life Finder (ALF) for Large-Scale Screening of Martian Life During In Situ Refueling

J Špaček, SA Benner - Astrobiology, 2022 - liebertpub.com
Before the first humans depart for Mars in the next decade, hundreds of tons of martian water-
ice must be harvested to produce propellant for the return vehicle, a process known as in …

Mass spectrometry as an analytical tool for detection of microplastics in the environment

S Chun, M Muthu, J Gopal - Chemosensors, 2022 - mdpi.com
Plastic particles smaller than 5 mm accumulate in aqueous, terrestrial, and atmospheric
environments and their discovery has been a serious concern when it comes to eco …