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Amendment 61: A.4 Rapid Response and Novel Research in Earth Science Final Close Date Deferred
2 min read

A.4 Rapid Response and Novel Research in Earth Science (RRNES) solicits proposals that advance the goals and objectives of NASA’s…

Jul 2, 2026
Topic
Amendment 60: Final 2025 Due Date Extended for C.2 Solar System Science
2 min read

C.2 Solar System Science solicits proposals for research, data analysis, data preservation, and tools that support investigations to help ascertain…

Jul 2, 2026
Topic
ROSES-25 A.12 HAMAQ Science Team Clarified
2 min read

Hemispheric Airborne Measurements of Air Quality (HAMAQ) is a NASA-funded project under the EVS-4 program using two aircraft (NASA’s B777…

Jun 29, 2026
Topic
Amendment 59: Several Updates to the ROSES-25 Summary of Solicitation
2 min read

Research Opportunities in Space and Earth Sciences (ROSES)-2025 is an ongoing “omnibus” or “umbrella” solicitation meaning that it includes many…

Jun 15, 2026
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Correction to B.3 Living With a Star Science
2 min read

B.3 Living With a Star Science (LWS) emphasizes the science necessary to understand those aspects of the coupled Sun-Earth system…

May 26, 2026
Topic
D.3 AGIGO: New joint observing program with XMM-Newton added to IXPE GO Cycle 4
2 min read

The IXPE GO Program solicits proposals for investigations in any area of astrophysics (not constrained to IXPE’s prime science areas).

May 21, 2026
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Amendment 58: F.17 Research Initiation Awards Final Text and Due Date
2 min read

The NASA Science Mission Directorate (SMD) Research Initiation Awards (RIA) program aims to broaden the base of institutions involved in…

May 20, 2026
Topic
Amendment 57: D.3 AGIGO: IXPE and NICER General Observer Second Opportunity in ROSES-25
2 min read

The IXPE GO Program solicits proposals for investigations in any area of astrophysics (not constrained to IXPE’s prime science areas).…

May 15, 2026
Topic
Amendment 56: D.6 APRA and D.7 SAT Final Text and Due Dates
1 min read

D.6 Astrophysics Research and Analysis Program (APRA) solicits basic research proposals for investigations that are relevant to NASA’s programs in…

May 8, 2026
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