The Call for a New Definition of Biosignature

Acceleration of 1I/‘Oumuamua from radiolytically produced H2 in H2O ice

(2023) Jennifer B. Bergner et al.   NATURE

Confidence of Life Detection: The Problem of Unconceived Alternatives

(2023) Peter Vickers et al.   ASTROBIOLOGY

Organic synthesis associated with serpentinization and carbonation on early Mars

(2022) A. Steele et al.   SCIENCE

In support of rare relict ∼3700 Ma stromatolites from Isua (Greenland)

(2021) Allen P. Nutman et al.   EARTH AND PLANETARY SCIENCE LETTERS

No evidence of phosphine in the atmosphere of Venus from independent analyses

(2021) G. L. Villanueva et al.   Nature Astronomy

False biosignatures on Mars: anticipating ambiguity

(2021) Sean McMahon et al.   JOURNAL OF THE GEOLOGICAL SOCIETY

Call for a framework for reporting evidence for life beyond Earth

(2021) James Green et al.   NATURE

Evaluating Biosignatures for Life Detection

(2020) Andrew Pohorille et al.   ASTROBIOLOGY

Reappraisal of purported ca. 3.7 Ga stromatolites from the Isua Supracrustal Belt (West Greenland) from detailed chemical and structural analysis

(2020) Mike J. Zawaski et al.   EARTH AND PLANETARY SCIENCE LETTERS

Phosphine gas in the cloud decks of Venus

(2020) Jane S. Greaves et al.   Nature Astronomy

Cross-examining Earth’s oldest stromatolites: Seeing through the effects of heterogeneous deformation, metamorphism and metasomatism affecting Isua (Greenland) ∼3700 Ma sedimentary rocks

(2019) Allen P. Nutman et al.   PRECAMBRIAN RESEARCH

Nano−porous pyrite and organic matter in 3.5-billion-year-old stromatolites record primordial life

(2019) Raphael J. Baumgartner et al.   GEOLOGY

Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life

(2018) Edward W. Schwieterman et al.   ASTROBIOLOGY

The Ladder of Life Detection

(2018) Marc Neveu et al.   ASTROBIOLOGY

Exoplanet Biosignatures: A Framework for Their Assessment

(2018) David C. Catling et al.   ASTROBIOLOGY

Reassessing evidence of life in 3,700-million-year-old rocks of Greenland

(2018) Abigail C. Allwood et al.   NATURE

Rapid emergence of life shown by discovery of 3,700-million-year-old microbial structures

(2016) Allen P. Nutman et al.   NATURE

Defending Definitions of Life

(2015) Lucas John Mix   ASTROBIOLOGY

Why I stopped worrying about the definition of life... and why you should as well

(2011) Edouard Machery   SYNTHESE

Defining Life

(2010) Steven A. Benner   ASTROBIOLOGY

Traces de vie présente ou passée : quels indices, signatures ou marqueurs ?

(2009) Muriel Gargaud et al.   COMPTES RENDUS PALEVOL

Geological setting of Earth's oldest fossils in the ca. 3.5Ga Dresser Formation, Pilbara Craton, Western Australia

(2008) M VANKRANENDONK et al.   PRECAMBRIAN RESEARCH