Editing Centennial Challenges (section)

==== News ====
* [https://web.archive.org/web/20100327220738/http://www.race2space.org/ Race2Space.org - Advancing the Privatization of Space Travel July 2006], Race2Space, in partnership with the X PRIZE foundation, is seeking sponsorship in order to support the privatization of space travel, research, and exploration for the upcoming Lunar Landing Challenge Contestants October 2006."
* [http://lunarlander.spaceracenews.com Lunar Lander Challenge -- One small step for NASA, One giant leap for the X PRIZE]
* [http://thespacereview.com/article/621/1 Space prize confidential] (''The Space Review'', May 15, 2006)
* [https://www.nytimes.com/2005/03/27/politics/27prize.html NASA Will Offer Cash Prizes for Technological Innovations] (''New York Times'', March 27, 2005)
* [https://web.archive.org/web/20050404003134/http://planetary.org/news/2005/nasa_announces-centennial-challenges_0324.html NASA and Spaceward Foundation Announce First Centennial Challenges Prizes] (Planetary Society, March 24, 2005)
* [http://www.space.com/news/050323_centennial_challenge.html NASA Details Cash Prizes for Space Privatization] (Space.com, March 23, 2005)
* [https://web.archive.org/web/20151019103126/http://www.nbcnews.com/id/4907485/ NASA plans contests for space feats - MSNBC] By [[Alan Boyle]].
* [https://web.archive.org/web/20050406094425/http://space.com/spacenews/businessmonday_040308.html NASA's Centennial Challenges Program To Offer Cash Prizes - Space News]
* [http://www.govexec.com/dailyfed/0304/030304bd1.htm NASA exploration office charts new procurement territory - GovExec.com] {{Webarchive|url=https://web.archive.org/web/20040603192610/http://www.govexec.com/dailyfed/0304/030304bd1.htm |date=2004-06-03 }}
* [http://www.govexec.com/features/0805-15/0805-15na2.htm Cosmic Contests - GovExec.com] {{Webarchive|url=https://web.archive.org/web/20060315205655/http://www.govexec.com/features/0805-15/0805-15na2.htm |date=2006-03-15 }} (August 15, 2005)
* [https://web.archive.org/web/20070127145048/http://cosmiclog.msnbc.msn.com/archive/2007/01/24/41211.aspx "H Prize": The Department of Energy's proposed prize for hydrogen fuel-related breakthroughs]