Oxygen is not definitive evidence of life on habitable extrasolar planets

A research assistant professor Norio Narita of the Astrobiology Center of NINS, which was founded in April 2015, and an associate professor Shigeyuki Masaoka, of the Institute of Molecular Science of NINS, have presented a novel hypothesis that it could be possible for planets to have large quantities of abiotic (non-biologically produced) oxygen. The study is published in Scientific Reports on Sept. 10, 2015. —> Read More