The quest to measure methane has become a driver of 21st century Mars science. Dr. Zahnle will review why the published reports of methane on Mars should be regarded with skepticism, before addressing why the question may never go away.
Getting Under Europa’s Skin
Tracing Formation and Evolution of Outer Solar System Bodies Through Stable Isotopes and Noble Gas Abundances
Photosynthesis, a Planetary Revolution
Xenon: King of the Gases