title: Astrobiology: a new frontier for 21st century paleontologists
authors.affiliation: SETI Institute, USA.
authors.forename: S L
authors.initials: SL
authors.lastname: Cady
mesh_terms: D001256:Astronomy / Q000379:methods / Q000639:trends; D004783:Environmental Microbiology; D019418:Evolution, Chemical; D018559:Exobiology; D005118:Extraterrestrial Environment; D019015:Geologic Sediments; D018535:Mars; D019110:Meteoroids; D000069497:Origin of Life; D010163:Paleontology / Q000379:methods / Q000639:trends*; D013026:Space Flight / Q000639:trends*; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000639:trends*