et ailleurs

Conditions d’apparition de la vie
dans le système solaire et au-delà

Au coeur
de la matière

Émergence du vivant

Du rêve
à la réalité

Variations culturelles et représentations
artistiques de la vie.


Whether life is singular or abundant in the universe has been a central question since the oldest times. It resonates in the background with fundamental questions that have been the subject of passionate and sometimes irrational debates throughout time: what is life, how can life emerge spontaneously from non-living systems, what is the probability that life will emerge, what are the conditions for the emergence of life, are they unique to the Earth or multiple in the universe, can we find it if it is the case?

The OCAV project addresses these outstanding questions at the level of PSL Research University by stimulating and focusing the work of a pluri-disciplinary community of researchers expressing their interest in this area : more


2020 call for proposals

Results of the 2020 call for proposals are now online. Read more →

Focus on ...

  • 2019-2020 Cine-debate program – Extraterrestrial presences

    2019-2020 Cine-debate program – Extraterrestrial presences

    EXTRATERRESTRIAL PRESENCES  SEASON 3 Discovering news forms of lives 7 CINE-DEBATES sessions November 2019-June 2020 Program by Roland Lehoucq, Perig Pitrou & J.-Sébastien Steyer LE GRAND ACTION, 5, rue des Écoles, Paris 5e www.legrandaction.com Fares: 9.50€ (full) / 7.50€ (reduced) / 6€ (under 26) / “UGC illimitées” and “CIP” cards accepted Cycle films-débatsRead more →


  • Due to the COVID19 pandemic, the “Visualising the Origins of Life” and all IRIS OCAV seminars are postponed until further notice.