Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life.

Edward W Schwieterman, Nancy Y Kiang, Mary N Parenteau, Chester E Harman, Shiladitya DasSarma, Theresa M Fisher, Giada N Arney, Hilairy E Hartnett, Christopher T Reinhard, Stephanie L Olson, Victoria S Meadows, Charles S Cockell, Sara I Walker, John Lee Grenfell, Siddharth Hegde

June 2018

Synopsis of Social media discussions

Discussions prominently feature mentions of specific biosignatures, like methane and oxygen, which are pivotal in detecting life on exoplanets. Phrases such as 'game changer' and 'important research' highlight the enthusiasm and acknowledgment of the publication's value, propagating a tone of excitement and urgency within the community.

A
Agreement
 Moderate agreement

The majority of discussions indicate a supportive stance toward the findings presented in the publication, with many users highlighting its relevance.

I
Interest
 High level of interest

There is widespread curiosity regarding exoplanet biosignatures, as evidenced by users sharing related articles and research.

E
Engagement
 High engagement

Many participants engage deeply, referencing specific biosignature gases and research literature, leading to meaningful exchange of ideas.

I
Impact
 High level of impact

Users perceive this publication as highly influential, contributing significantly to ongoing conversations about the search for extraterrestrial life.

Social Mentions

YouTube

3 Videos

Facebook

6 Posts

Twitter

100 Posts

Blogs

11 Articles

News

117 Articles

Metrics

Video Views

3,381,866

Total Likes

56,054

Extended Reach

4,188,621

Social Features

237

Timeline: Posts about article

Top Social Media Posts

Posts referencing the article

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  • Galacton
    @Galacton2 (Twitter)

    @Dirty_BBB @AtomicCafe7 @maestro_Ebuka @Luc1971723 @Truth_matters20 Yes, there is also research into biosignatures on Exoplanets which he is undoubtedly talking about.
    view full post

    August 13, 2025

  • Nirmata
    @En_formare (Twitter)

    Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life • Astrophysics Data System https://t.co/2oqCBTEytI https://t.co/wi20aO6ZUy
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    February 17, 2025

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    July 27, 2023

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  • Aline Novais
    @astroaline (Twitter)

    Deixo aqui algumas dicas: - Schwieterman et al. (2018) - “Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life” - Cockell et al. (2016) - “Habitability: A Review” - Seager & Deming (2010) - “Exoplanet Atmospheres”
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    September 29, 2022

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  • Luke - Join Your Union
    @troutish (Twitter)

    RT @martinmbauer: It is only a matter of time now until we have measurements sensitive to the abundance of methane, which together with O2…
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    September 3, 2022

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  • @ferminacevesd (Twitter)

    RT @martinmbauer: It is only a matter of time now until we have measurements sensitive to the abundance of methane, which together with O2…
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    September 3, 2022

    1

  • Martin Bauer
    @martinmbauer (Twitter)

    It is only a matter of time now until we have measurements sensitive to the abundance of methane, which together with O2 and O3 is a biosignature gas. 6/9 https://t.co/MZifx6fQWl
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    September 3, 2022

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    RT @trackjwst: To anyone curious what bio signatures are and wants to know details how they can be used to find extra Terrestrial life . I…
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    February 27, 2022

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    February 16, 2022

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    February 15, 2022

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    February 13, 2022

    4

  • Apurva
    @apurva_dg (Twitter)

    To anyone curious what bio signatures are and wants to know details how they can be used to find extra Terrestrial life . I am linking a paper below. https://t.co/fQEQFkDmrP #space #jwst #NASAWebb
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    February 12, 2022

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    November 11, 2020

  • Prof.(Dr) Arbind kumar
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    September 2, 2019

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    September 2, 2019

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    Highly cited article in the top 1% of the academic field of #SpaceScience! Read today: "Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life" https://t.co/oYrKNLCq8Z https://t.co/rmGctfEcJB
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    September 2, 2019

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    Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life. A highly cited article from @Astrobiology_jn
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    August 26, 2019

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  • StillMe
    @dutchess_becky (Twitter)

    RT @AstroBioProf: "Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life" See https://t.co/Uvb4NUM2yX
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    August 22, 2019

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  • Harold Geller
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    "Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life" See https://t.co/Uvb4NUM2yX
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    August 22, 2019

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  • Christian Bok
    @christianbok (Twitter)

    They discuss all the means by which we might detect signatures of life on exoplanets (PDF, #xenotext): https://t.co/IJcHh7yCr0
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    August 21, 2019

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  • Robin Hanson
    @robinhanson (Twitter)

    "most detectable [exoplanet] signs of life will likely result from a photosynthetic biosphere. Biosignature gases in Earth-like (N2-H2O-CO2) atmospheres include O2, O3, CH4, C2H6, N2O, CH3Cl, CH3SH, DMS, and DMDS." https://t.co/Nc8DJyiXNY
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    June 9, 2019

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    March 19, 2019

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  • Arturo Torres Sánchez
    @R2D221 (Twitter)

    RT @okaytobesmart: NEW VIDEO! Is there life on Earth and how would we know if we didn’t know that? https://t.co/ImG4gBRwPb
    view full post

    February 7, 2019

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  • Be Smart
    @okaytobesmart (Twitter)

    NEW VIDEO! Is there life on Earth and how would we know if we didn’t know that? https://t.co/ImG4gBRwPb
    view full post

    February 7, 2019

    16

    4


  • @chere100 (Twitter)

    Is There Life on Earth? https://t.co/1D0wpiGSy5 via @YouTube #Science
    view full post

    February 7, 2019

  • Mary Ann Liebert Inc
    @LiebertPub (Twitter)

    Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life. Read one of the top articles from 2018 for FREE until Jan 21: https://t.co/Bko4T3O5F0 https://t.co/spLcgucu77
    view full post

    January 11, 2019

  • Harold Geller
    @AstroBioProf (Twitter)

    "Exoplanet Biosignatures: A Review of Remotely Detectable Signs of Life" See https://t.co/uA7yvm5N64 https://t.co/B4GrbHkq7m
    view full post

    January 7, 2019

Abstract Synopsis

  • Advanced observatories will enhance our ability to study exoplanets' atmospheres and surfaces for signs of life, using Earth's biological signatures as a reference.
  • The review summarizes current knowledge on various biosignature types—gaseous, surface, and temporal—while evaluating lesser-known spectral features related to potential life.
  • It focuses on recent advancements in biosignature analysis, particularly methods to assess atmospheric chemical imbalances and the biomass needed for detectable gases, aiming to connect various research areas for future exploration.