A biosignature (sometimes called chemical fossil or molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides...

in a fragmentation tandem mass spectrometry instrument to search for biosignatures. The theory was extended to map chemical space with molecular assembly...

telescopic investigations and deployed probes, searching for water, chemical biosignatures in the soil and rocks at the planet's surface, and biomarker gases in...

fossils. Some fossils are biochemical and are called chemofossils or biosignatures. Gathering fossils dates at least to the beginning of recorded history...

Zhuchang; Hu, Renyu; Bains, William (11 October 2019). "Phosphine as a Biosignature Gas in Exoplanet Atmospheres". Astrobiology. 20 (2) (published February...

Groombridge 1618, and HD 156026 may be particularly good targets for future biosignature searches,' said Arney. Wikimedia Commons has media related to 61 Cygni...

view of a gene as an aperiodic crystal, provides a so-called "agnostic biosignature", a sign of life that does not presuppose any biochemistry. In other...

extracellular stalk-ribbon structure rich in iron, known as a typical biosignature of microbial iron oxidation. These structures can be easily detected...

interactions, abiogenesis on Earth, planetary habitability, research on biosignatures for life detection, and studies on the potential for life to adapt to...

horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature  Category v t e...

assessing the release of an additional 250 kg (550 lb) probe called Biosignature Explorer for Europa (BEE), that would have been equipped with a basic...

for extraterrestrial life oxygen is a strong biosignature. That said it might not be a definite biosignature, being possibly produced abiotically on celestial...

discovered on Mars in June 2024 has been designated by NASA as a "potential biosignature" and was core sampled by the Perseverance rover for possible return to...

including an impactor in combination with a thermal drill to search for biosignatures that might be frozen in the shallow subsurface. Another proposal put...

possible 2450 Ma red alga from the Kola Peninsula, 1650 Ma carbonaceous biosignatures in north China, the 1600 Ma Rafatazmia, and a possible 1047 Ma Bangiomorpha...

of purple retinal pigments on Earth and implications for exoplanet biosignatures". International Journal of Astrobiology. 20 (3): 241–250. arXiv:1810...

Andreas; Kooijman, Ellen; Kielmann-Schmitt, Melanie (3 June 2021). "Biosignatures of ancient microbial life are present across the igneous crust of the...

atmosphere, allowing astronomers to determine whether or not the methane is a biosignature. Webb orbits the Sun near the second Lagrange point (L2) of the Sun–Earth...

for past or present life on Mars. Furthermore, organic components (biosignatures) that are often associated with biominerals are believed to play crucial...

illustrating that hydrogen is no impediment to life. However, a number of biosignature gases used to identify the presence of life are not reliable indicators...

non-hycean planets, thus making detection of biosignatures easier. Hycean worlds could be investigated for biosignatures by terrestrial telescopes and space telescopes...

enhance human health and the environment. Biology, the study of life Biosignature Carbon-based life Central dogma of molecular biology History of life...

horizontality Provenance Sedimentary record Sedimentology Stratigraphy Rock cycle calcium silica carbonate-silicate Paleolimnology Biosignature  Category v t e...

environments in the Solar System and beyond, the search for planetary biosignatures of past or present extraterrestrial life, and the study of the origin...

would form. These dry lakes would be targets to look for evidence (biosignatures) of past life. On September 27, 2012, NASA scientists announced that...

Astrobiology: Records of Life on Earth and the Search for Extraterrestrial Biosignatures. Cellular Origin, Life in Extreme Habitats and Astrobiology. Vol. 12...

that directly opposes it. In line with this, it is suggested that if biosignatures could be detected on two (or more) adjacent planets, that would provide...

enantiomeric excess in amino acids to distinguish extraterrestrial biosignatures. But, as previously mentioned, recent studies of carbonaceous chondrites...

Institute NAI team, which was selected in October 2014 to develop new biosignature detection and exploration strategies in support of the then-upcoming...

The Cassini–Huygens mission was not equipped to provide evidence for biosignatures or complex organic compounds; it showed an environment on Titan that...