title: Astrobiology: Frontier or fiction.
authors.forename: Antonio
authors.initials: A
authors.lastname: Lazcano
authors.forename: Kevin P
authors.initials: KP
authors.lastname: Hand
mesh_terms: D005075:Biological Evolution; D018559:Exobiology / Q000639:trends; D005118:Extraterrestrial Environment / Q000737:chemistry*; D018535:Mars; D000069497:Origin of Life; D015203:Reproducibility of Results; D016082:Solar System / Q000737:chemistry*; D013026:Space Flight / Q000639:trends; D014481:United States; D018557:United States National Aeronautics and Space Administration