Volume 1 (1991)
| Walter Alvarez | Science Article PDF |
| Robert A. Duncan | Science Article PDF |
| James W. Head | Science Article PDF |
| Anne M. Hofmeister | Science Article PDF |
| Joseph L. Kirschvink | Science Article PDF |
| J. Casey Moore | Science Article PDF |
| Richard J. Pike | Science Article PDF |
| Paul C. Sereno | Science Article PDF |
| David A. Stephenson | Science Article PDF |
| Donald L. Turcotte | Science Article PDF |
| Jeffrey R. Unruh | Science Article PDF |