Origins of life and evolution of the biosphere

, Volume 29, Issue 6, pp 625–631

Did Viking Discover Life on Mars?

  • Harold P. Klein

DOI: 10.1023/A:1006514327249

Cite this article as:
Klein, H.P. Orig Life Evol Biosph (1999) 29: 625. doi:10.1023/A:1006514327249


A major argument in the claim that life had been discovered during the Viking mission to Mars is that the results obtained in the Labeled Release (LR) experiment are analogous to those observed with terrestrial microorganisms. This assertion is critically examined and found to be implausible.

Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Harold P. Klein
    • 1
  1. 1.SETI InstituteMtn. ViewU.S.A.