Are Oxygen and Ozone Signatures for Life? September 17, 2018 Many people quickly identify oxygen and ozone as biologically produced molecules in Earth’s atmosphere. For that reason, exoplanet researchers look for oxygen and ozone... Astronomy by Hugh Ross Read
Ancient Muds Bog Down Evolutionary Explanation for Life’s Origin November 30, 2016 When I was a kid, I played a lot of sandlot football. And nothing was more fun than playing football after a hard rain... Origin of Life & Astrobiology by Fazale Rana Read