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2026 Astrophysics Small Explorer (APSMEX)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

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Posted
Jun 10, 2026
Closes
Sep 10, 2026 (in 47 days)

At a glance

This is a government contract opportunity posted by NATIONAL AERONAUTICS AND SPACE ADMINISTRATION in the research and development in the physical category. The deadline is September 10, 2026, 47 days from now.

Classification and identifiers

Industry (NAICS)
Research and Development in the Physical, Engineering, and Life Sciences (54171)
Product or service (PSC)
Space R&D Services; Space Flight, Research and Supporting Activities; Basic Research (AR11)
Solicitation number
NNH26ZDA011O
Contracting office
NASA HEADQUARTERS

Who can apply

Location not specified

About this opportunity

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 (NSPIRES) at https://nspires.nasaprs.com. Click on the word �Solicitations� at the top of the NSPIRES landing page and then on the next page enter the number �NNH26ZDA011O� in the search box or use the direct URL provided below. This �Description� is not a complete or verbatim summary of the AO. It is the responsibility interested parties to visit and monitor regularly the two listed internet sites (links) for any amendments or other updates. Please also open and carefully read the attached PDF file named �9JuneEmail.pdf�. The 9JuneEmail attachment is ...

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