| Endogenous production, exogenous delivery and impact-shock synthesis of organic molecules: an inventory for the origins of life C Chyba, C Sagan Nature 355 (6356), 125-132, 1992 | 1708 | 1992 |
| Cometary delivery of organic molecules to the early Earth CF Chyba, PJ Thomas, L Brookshaw, C Sagan Science 249 (4967), 366-373, 1990 | 807 | 1990 |
| The 1908 Tunguska explosion: atmospheric disruption of a stony asteroid CF Chyba, PJ Thomas, KJ Zahnle Nature 361 (6407), 40-44, 1993 | 705 | 1993 |
| Voyager 2 at Neptune: Imaging science results BA Smith, LA Soderblom, D Banfield, C Barnet, AT Basilevsky, RF Beebe, ... Science 246 (4936), 1422-1449, 1989 | 704 | 1989 |
| Defining ‘life’ CE Cleland, CF Chyba Origins of Life and Evolution of the Biosphere 32 (4), 387-393, 2002 | 540 | 2002 |
| The early faint sun paradox: Organic shielding of ultraviolet-labile greenhouse gases C Sagan, C Chyba Science 276 (5316), 1217-1221, 1997 | 497 | 1997 |
| Possible ecosystems and the search for life on Europa CF Chyba, CB Phillips Proceedings of the National Academy of Sciences 98 (3), 801-804, 2001 | 348 | 2001 |
| Impact delivery and erosion of planetary oceans in the early inner solar system CF Chyba Nature 343 (6254), 129-133, 1990 | 330 | 1990 |
| Proliferation rings: New challenges to the nuclear nonproliferation regime C Braun, CF Chyba International Security 29 (2), 5-49, 2004 | 304 | 2004 |
| Energy for microbial life on Europa CF Chyba Nature 403 (6768), 381-382, 2000 | 300 | 2000 |
| Energy, chemical disequilibrium, and geological constraints on Europa KP Hand, RW Carlson, CF Chyba Astrobiology 7 (6), 1006-1022, 2007 | 272 | 2007 |
| Astrobiology: the study of the living universe CF Chyba, KP Hand Annu. Rev. Astron. Astrophys. 43 (1), 31-74, 2005 | 246 | 2005 |
| Amino acid survival in large cometary impacts E Pierazzo, CF Chyba Meteoritics & Planetary Science 34 (6), 909-918, 1999 | 227 | 1999 |
| Europa as an abode of life CF Chyba, CB Phillips Origins of Life and Evolution of the Biosphere 32 (1), 47-67, 2002 | 211 | 2002 |
| Empirical constraints on the salinity of the europan ocean and implications for a thin ice shell KP Hand, CF Chyba Icarus 189 (2), 424-438, 2007 | 210 | 2007 |
| Seeking a human spaceflight program worthy of a great nation Review of US Human Spaceflight Plans Committee, NR Augustine, ... National Aeronautics and Space Administration, 2009 | 198 | 2009 |
| The cometary contribution to the oceans of primitive Earth CF Chyba Nature 330 (6149), 632-635, 1987 | 191 | 1987 |
| Astrobiology and the potential for life on Europa KP Hand, CF Chyba, JC Priscu, RW Carlson, KH Nealson Europa 589, 629, 2009 | 172 | 2009 |
| The origin of life in the solar system: current issues CF Chyba, GD McDonald Annual Review Of Earth And Planetary Sciences, Volume 23, pp. 215-250. 23 …, 1995 | 169 | 1995 |
| Geology of europa R Greeley, CF Chyba, JW Head, TB McCord, WB McKinnon, ... Jupiter: The planet, satellites and magnetosphere 2, 329, 2004 | 154 | 2004 |
