2026 Astrophysics Small Explorer (APSMEX)
Key Takeaways
- Full and open competition - all businesses eligible to bid
- Work to be performed in WASHINGTON, DC
- Industry: Research and Development in the Physical, Engineering, and Life Sciences
Contract Details
- Notice ID
- NNH26ZDA011O
- Opportunity Type
- Combined Synopsis/Solicitation
- Sub-Agency
- NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
- Office
- NASA HEADQUARTERS
- Posted Date
- Thursday, August 6, 2026
- Response Deadline
- Thursday, September 10, 2026
- PSC Code
- AR11
- Set-Aside
- Full & Open Competition
- Place of Performance
- WASHINGTON, DC, 20546
- Status
- Active
Description
Amendment #1: This SAM.gov update 1) announces the release of revised final text for the Astrophysics Explorers Program 2026 Small Explorer (SMEX) AO and 2) adds a copy of the text of an August 2026 NSPIRES e-mail sent to SMD List Serv subscribers. Please open and carefully review the attachment named 6AugustEmail.pdf under the Attachments/Links section of this notice. The proposal due date remains unchanged. For complete details, visit the link named Final Ful Text NNH26ZDA011O under the Attachments/Links section of this notice. End of Amendment #1. On or after this SAM.gov notice, the final text for the Announcement of Opportunity (AO) 2026 Astrophysics Small Explorer (APSMEX) will be available for download from the NASA Solicitation and Proposal Integrated Review and Evaluation System (
Why This Opportunity Matters
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION is actively seeking qualified contractors for research and development in the physical, engineering, and life sciences in WASHINGTON, DC.
Similar Opportunities
Browse Related
Looking for more opportunities?
Browse our full directory of government contracts
