The ASU Nexus for Exoplanet System Science is a collaboration of scientists from a variety of backgrounds, brought together to answer fundamental questions in the search for life. Out of all the possible exoplanets orbiting other stars, which ones have chemistries on which life would produce a clear, observable biosignature? On which exoplanets will abiotic geochemical cycles overwhelm and mask life’s signature?
Our project brings together astronomers and astrophysicists, geophysicist and geochemists, biologists and astrobiologists, to understand the range of chemical compositions planets are born with, the internal dynamics of planets, and the way those processes manifest themselves in a planet’s surface geochemical cycles. We study the abiotic and biological production rates of gases like oxygen and methane that might be observed around exoplanets using space telescopes. We aim to help define future space missions as we develop a periodic table of the planets.
We are funded by and join the NASA Nexus for Exoplanet System Science Research Coordination Network in their study of the diversity of exoplanets and the odds for finding life on these planets. Explore these pages to learn more about our science and the search for life in the Universe.