- AAS informational email on Pu-238
- National Academy of Sciences summary of the need for Pu-238 for spacecraft power systems
- 2009 report Radioisotope Power Systems: An Imperative for Maintaining U.S. Leadership in Space Exploration
- Astronomy and Astrophysics Advisory Committee Letter
- FY2010 House budget resolution comments
- FY2010 Senate budget comment
- Science Plan 2010 for NASA SMD
- Improved Planning and Communication Needed for Plutonium-238, 2017 Oct 4 - U.S. Government Accountability Office
- News Articles/Editorials on Pu-238 restart