The origin of the atmosphere / Tobias C. Owen
The early atmosphere as a source of biogenic compounds / James F. Kasting and Lisa L. Brown
The endogenous synthesis of organic compounds / Stanley L. Miller
Hydrothermal systems / Nils G. Holm and Eva M. Andersson
Cosmic origin of the biosphere / Armand H. Delsemme
Clues from the origin of the Solar System: meteorites / John R. Cronin
Micrometeorites on the early Earth / Michel Maurette
Membrane compartments in prebiotic evolution / David W. Deamer
Origin of life in an iron-sulfur world / Günter Wächtershäuser
Clues from present-day biology: the thioester world / Christian de Duve
Origins of the RNA world / Alan W. Schwartz
Catalyzed RNA synthesis for the RNA world / James P. Ferris
Catalysis in the RNA world / Kenneth D. James and Andrew D. Ellington
Self-replication and autocatalysis / Jens Burmeister
Hyperthermophiles and their possible role as ancestors of modern life / Karl O. Stetter
Tracing the roots of the universal tree of life / J. William Schopf
Life on Mars / Christopher P. McKay.