Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Life in the solar system.

A Brack1

  • 1Centre de Biophysique Moleculaire, CNRS, Orleans, France. brack@cnrs-orleans.fr

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|September 7, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A Hydrothermal-Sedimentary Context for the Origin of Life.

Astrobiology·2018
Same author

[Unexpected hemorrhage complications in association with celecoxib. Spontaneously reported case series after perioperative pain treatment in gynecological operations].

Der Anaesthesist·2014
Same author

Lipid and phase specificity of α-toxin from S. aureus.

Biochimica et biophysica acta·2013
Same author

The PROCESS experiment: exposure of amino acids in the EXPOSE-E experiment on the international space station and in laboratory simulations.

Astrobiology·2012
Same author

Modulation of tight junction proteins in the perineurium for regional pain control.

Annals of the New York Academy of Sciences·2012
Same author

[Extracorporeal membrane oxygenation and severe traumatic brain injury. Is the ECMO-therapy in traumatic lung failure and severe traumatic brain injury really contraindicated?].

Der Anaesthesist·2011
Same journal

Planetary Protection and the astrobiological exploration of Mars: Proactive steps in moving forward.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2025
Same journal

Crop type discrimination using Geo-Stat Endmember Extraction and machine learning algorithms.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2024
Same journal

A Hansel & Gretel breadcrumb-style dynamically deployed communication network paradigm using mesh topology for planetary subsurface exploration.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Investigating Patterns of Air Pollution in Metropolises Using Remote Sensing and Neural Networks During the COVID-19 Pandemic.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Editorial.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Exploring the effect of COVID-19 pandemic lockdowns on urban cooling: A tale of three cities.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2022
See all related articles

Life requires liquid environments for molecular diffusion and evolution. Searching for extraterrestrial life focuses on celestial bodies with liquid water, like Mars and Europa, and analyzing molecular signatures.

Area of Science:

  • Astrobiology
  • Origin of Life Studies
  • Planetary Science

Background:

  • Life is a self-replicating, evolving chemical system that necessitates a liquid medium for molecular diffusion.
  • Earth's life likely originated from organic molecules in liquid water, potentially formed in the atmosphere or near hydrothermal vents.
  • Extraterrestrial organic molecules delivered via meteorites and comets may have seeded early Earth.

Purpose of the Study:

  • To explore the conditions necessary for life's emergence and evolution.
  • To identify promising celestial bodies for extraterrestrial life detection.
  • To outline key indicators for identifying life beyond Earth.

Main Methods:

  • Review of conditions favoring life's origin on Earth.
  • Assessment of potential habitats for life on other celestial bodies (Mars, Europa, Titan).

Related Experiment Videos

  • Identification of biosignatures for extraterrestrial life detection.

    • Main Results:

    • Liquid water is a critical requirement for life's development.
    • Early Mars, Europa's subsurface oceans, and Titan's unique chemistry are prime targets for astrobiological research.
    • Chirality (one-handed molecules) and carbon isotopic fractionation are key biosignatures.

    Conclusions:

    • Celestial bodies with persistent liquid water are promising for harboring life.
    • The search for extraterrestrial life should focus on environments with water and analyze specific molecular indicators.
    • Understanding Earth's life origins informs the search for life elsewhere in the universe.