Shiga, David (5 February 2008). "NASA calls for ambitious outer solar system mission". New Scientist. Retrieved 16 April 2009. https://www.newscientist.com/article/dn13276-nasa-calls-for-ambitious-outer-solar-system-mission.html
"NASA's Earth Observing Technology Satellite Proves a Success" (Press release). Goddard Space Flight Center. 24 June 2002. Archived from the original on 14 April 2009. Retrieved 16 April 2009. https://web.archive.org/web/20090414045821/http://www.gsfc.nasa.gov/topstory/20020624eo1.html
"Physics of the Cosmos (PCOS)". pcos.gsfc.nasa.gov. Retrieved 5 January 2018. https://pcos.gsfc.nasa.gov/projects/current.php
"Mission To Gravitational Waves: Disturbance Reduction System". NASA JPL. https://www.jpl.nasa.gov/missions/disturbance-reduction-system-drs/
H. Abakians, et al., "NASA's New Millennium ST-8 Project" abstract http://adsabs.harvard.edu/abs/2006AGUFM.P51C1209A
Keyser, Sigurd De (4 December 2005). "Orbital Selected To Build And Launch NASA's New Millennium Space Technology 8 Satellite". Space Race News. The Space Fellowship. Archived from the original on 7 August 2011. Retrieved 16 April 2009. https://web.archive.org/web/20110807104022/http://spacefellowship.com/news/art1294/orbital-selected-to-build-and-launch-nasa-039-s-new-millennium-space-technology-8-satellite.html
Nelson, Robert M. (December 2007). NASA's New Millennium ST9 TRGS Mission (Report). https://www.researchgate.net/publication/241272329