Discovery Program Acquisition.

July 24, 2012 ... The new target date for the Downselection announcement is August 2012. .

January 18, 2012 ... The CSR Guidelines have been updated. Questions and Answers about the CSR Guidelines have been added.

August 16, 2010 ... The AO has been amended to add a new requirement for provision of sufficient data to permit an independent assessment of the proposed mission design and trajectory. The announcement can be accessed from the menu on the left.

August 10, 2010 ... The mailing address for submitting Discovery proposals is:
NASA Research and Education Support Services (NRESS)
Suite 500
2345 Crystal Drive
Arlington, VA 22202
Phone for commercial delivery: 202-479-9030.

August 2, 2010 ... The AO has been amended to clarify that two requirements include the Advanced Stirling Radioisotope Generator (ASRG). The announcement can be accessed from the menu on the left.

July 13, 2010 ... The AO has been amended to clarify two requirements and the delivery date of Advanced Stirling Radioisotope Generators (ASRGs). The announcement can be accessed from the menu on the left.

June 17, 2010 ... An announcement on the Preproposal Conference location, date, and time was made which includes teleconference and WebEx access information. The announcement can accessed from the menu on the left.

May 24, 2010 .... An announcement was made describing the final Discovery Announcement of Opportunity (AO) and the exact dates for its release and when proposals are due. The announcement can be accessed from the menu on the left.

December 15, 2009 .... A Federal Business Opportunity (FBO) announcement describing the draft Discovery Announcement of Opportunity (AO) was posted on Dec. 3, 2009. The announcement can be accessed from the menu on the left. The draft AO was posted on Dec. 7, 2009 and can be accessed from the menu on the left.

May 12, 2009 .... A Federal Business Opportunity (FBO) announcement describing plans for a draft Discovery Announcement of Opportunity (AO) has been posted. The announcement can be accessed from the menu on the left.