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Find similar grantsAstrophysics Explorers Program 2026 Small Explorer (SMEX) AO is sponsored by NASA Science Mission Directorate, Astrophysics Division. This Announcement of Opportunity (AO) is for the Astrophysics Explorers Program 2026 Small Explorer (SMEX) missions.
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NASA Announcement of Opportunity Astrophysics Explorers Program 2026 Small Explorer (SMEX) Final Text Released - Astrobiology NASA Science Mission Directorate The National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) announces the release of an Announcement of Opportunity (AO) to solicit Principal Investigator (PI)-led space science investigations for the Small Explorer (SMEX) opportunity under the Astrophysics Explorers Program.
The SMD strategic goal of expanding human knowledge through new scientific discoveries in astrophysics includes the broad objective: “to understand the Sun, Earth, Solar System, and Universe. ” SMD addresses this objective through astrophysics investigations that address one or more of these science goals: How does the Universe work?
Probe the origin and destiny of our universe, including the nature of black holes, dark energy, dark matter and gravity. How did we get here? Explore the origin and evolution of the galaxies, stars, and planets that make up our universe.
Are we alone? Discover and study planets around other stars and explore whether they could harbor life.
The 2026 Astrophysics SMEX (APSMEX26) Schedule: AO Release Date: June 9, 2026 Preproposal Conference Date: June 30, 2026 Mandatory Notice of Intent Due Date: July 21, 2026 Proposal Due Date: September 9, 2026 The NASA Solicitation and Proposal Integrated Review and Evaluation System (NSPIRES) is the official source for the full text of the Astrophysics Explorers Program 2026 SMEX AO. To find the full, final text visit https://go. nasa.
gov/APSMEX26 . Alternatively, visit: http://nspires. nasaprs.
com /, select ‘Solicitations’ at the top of the page, and on the next page enter solicitation number NNH26ZDA011O in the search field. Prospective investigators from any category of organizations or institutions, U.S. or non-U.S. with some restrictions as specified in Section 4. 2.
1 of the AO, are welcome. Specific categories of organizations and institutions include, but are not limited to, educational, industrial, and not-for-profit organizations, Federally Funded Research and Development Centers (FFRDCs), University Affiliated Research Centers (UARCs), NASA Centers, and other Government agencies. Both U.S. and non-U.S. participation is subject to China restrictions described in Sections 4.
2. 2 and 5. 8.
1 of the AO. All interested parties must read the final APSMEX26 AO carefully for significant changes from the draft AO (NNH25ZDA008J) and prior years’ SMD Explorers Program AOs. Of particular importance is the change in evaluation and selection to a single-step competitive process.
NASA intends to select one investigation proposal from the APSMEX26 responses to proceed into a combined Phase A&B. All proposals must comply with the requirements, constraints, and guidelines contained within the AO. The Science Office for Mission Assessments (SOMA) will post the virtual Preproposal Conference agenda, connection information, and related information at: https://explorers.
larc. nasa. gov/APSMEX26/SMEX .
SOMA hosts the official “2026 Astrophysics Small Explorer (SMEX)” website that provides further information, including the SMEX Program Library and SMEX Question & Answer (Q&A) page. Anonymity of persons/institutions who submit questions will be preserved. Proposers are encouraged to send comments and questions early so that they may be fully addressed.
Questions posed at least one week before the Pre-Proposal Conference may be addressed in the Pre-Proposal Conference presentation or on the SMEX Q&A page. The deadline for other questions is two (2) weeks before the proposal due date. All questions or comments about the Astrophysics SMEX 2026 AO shall be addressed via email to Daniel Moses, APSMEX26 Lead Program Scientist, dan.
moses@nasa. gov; Hannah JangCondell, APSMEX26 Deputy Program Scientist, hannah. jang-condell@nasa.
gov; and Omar Torres, Lead Acquisition Manager for the 2026 Astrophysics SMEX AO, SOMA omar. torres@nasa. gov using subject line “APSMEX26” to be properly routed.
Any costs incurred in preparing a submission in response to this notice or the full APSMEX26 AO are solely the responsibility of the submitter. Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp...
According to the current listing, eligibility includes: Proposers must be affiliated with an institution registered at NSPIRES. Generally, NASA provides funding to U. S. institutions. Confirm the full requirements in the official notice before applying.
The published deadline was September 9, 2026, which has passed. Check the official notice for any future application windows before investing time in a proposal.
Astrophysics Explorers Program 2026 Small Explorer (SMEX) AO is funded by NASA Science Mission Directorate, Astrophysics Division. Verify program details on the funder's official page before applying.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
MGPV Travel Grant is sponsored by Geological Society of America (GSA), Mineralogy, Geochemistry, Petrology, Volcanology Division. MGPV Travel grants support student travel to the annual GSA meeting. Applications are restricted to active graduate or undergraduate students who are the presenting authors of an accepted abstract at the annual GSA meeting.
Research Opportunities in Space and Earth Science (ROSES) - 2025: A.4 Rapid Response and Novel Research in Earth Science is sponsored by National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD). This omnibus research funding opportunity includes various program elements, with rolling submissions for Earth Science research through August 2026. Proposers to Earth Science using the NASA Center for Climate Simulation high-end computing facility must include specific budget details.
ROSES-2025 has been amended 69 times and now runs to December 31, 2026 — but the 'no due date' and flexible program elements that carried the community through the gap close August 31. Two rules changed mid-cycle that most proposers have not read: a generative-AI citation requirement and a $0.09-per-SBU charge for NASA high-end computing that must appear in your Earth Science budget.
Read articleThe White House committed more than $5 billion across 15+ federal agencies to the Genesis Mission, and DOE selected 278 first-cohort projects out of roughly 5,000 applications — the largest response to any DOE funding call ever. Phase I grants run $500,000 to $750,000 over 9 months; Phase II awards reach $6 million to $15 million over 3 years, with one $60 million flagship. Here is the full architecture, the eligibility math, and how to position for the next window.
Read articleThe Trump administration committed $5B and 278 projects across 15+ agencies to the Genesis Mission. Here's the structure — and how to position for the next wave.
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