| L | S. Ajakkala | Astrobiology and religion |
| L | T. Banota | Silicon-based extraterrestrial life |
| A. Gould | Terraforming Mars | |
| T. Karanfilian | Enceladus | |
| L | J. Kawalec | The relevance of Curiosity's findings to the possibility of past and present life on Mars |
| L | S. Kumarapuram Ganapath | The chemical compositions of planets |
| Z. Pandher | Government involvement in SETI | |
| L* | M. Salem | The evolution of intelligence |
| M. Sankaran | The economics of space exploration | |
| L | K. Sibilia | Exoplanets around pulsars |
| M. Siringan | The ethics of interplanetary and interstellar travel | |
| H. Somisetty | The economics of commercial activity in space | |
| K. Uhlich | Methods of exoplanet detection | |
| M. Wilkins | Astrobiology and ownership in space | |
| F. Zhang | Europa | |
| W. Zhu | Exoplanets around M dwarfs |
Last updated December 21, 2019.