| Title | Author |
|---|---|
| A Probe-Class Opportunity for Far-IR Space Astrophysics [PDF] | C.M. Bradford et al. |
| Probing the Dark Ages and Cosmic Dawn with Neutral Hydrogen [PDF] | J. Lazio et al. |
| Concept for an orbiting wide-field x-ray imaging spectrometer (WFXIS) [PDF] | Ulmer, Melville P. |
| Concept for an all-sky low-energy gamma-ray observatory (ALLEGRO) [PDF] | Ulmer, Melville P., et al. |
| Death of Massive Stars (DoMaS) Probe [PDF] | Pete Roming et al. |
| FORERUNNER for the EVOLVABLE SPACE TELESCOPE (ForEST) [PDF] | Howard A. MacEwen & Charles F. Lillie |
| HORUS – THE HIGH ORBIT ULTRAVIOLET-VISIBLE SATELLITE [PDF] | Paul Scowen |
| Deep Survey Telescope: Exploring the First Billion Years [PDF] | Frederick R. Hearty & H. Philip Stahl |
| The Space High-Angular Resolution Probe for the InfraRed (SHARP-IR): A Potential Far-Infrared Interferometric Probe [PDF] | S. Rinehart et al. |
| ORION – UV-VISIBLE PROBE [PDF] | Paul Scowen |
| Cosmic Dawn Intensity Mapper – A Probe Class Mission Concept for Reionization studies of the universe [PDF] | Asantha Cooray et al. |
| Galaxy Evolution Spectroscopic Probe (GESP) [PDF] | Sara Heap et al. |
| A Near-IR All-Sky Spectroscopic Probe [PDF] | M. Robberto & Y. Wang |
| A Far-Infrared Surveyor of Cosmic Origins and Destiny [PDF] | Christopher K. Walker et al. |
| The Next Generation Space UV-Vis Space Observatory (NG-SUVO) [PDF] | Mel Ulmer |
| SPECtroscopic TeRAhertz Satellite "SPECTRAS" [PDF] | Paul F. Goldsmith et al. |