| 2004 - | Fellow, American Association for Advancement of Science |
| 2002- | National Science Foundation Distinguished Teaching Scholar |
| 1997 | Visiting Miller Research Professor, University of California, Berkeley |
| 1996 - | Concurrent Professor, Nanjing University |
| 1990 | Dannie S. Heineman Prize for Astrophysics, American Physical Society |
| 1989 - | National Academy of Sciences | 1975 | John Simon Guggenheim Memorial Foundation Fellow | 1975 | University of Colorado Lecturer on Research and Creative Work |