ROSES 2025: A.4 Rapid Response and Novel Research in Earth Science

This program element does not have a proposal due date. Proposals may be submitted at any time, pending certain eligibility timing issues related to resubmissions and duplicate proposal avoidance, see the program element text and appropriate overview appendix (e.g., B.1 or C.1). The date shown of 8/31/2026 is the last day that proposals may be submitted subject to the ROSES-25 rules and the current GCAM. The ROSES-26 version of this program element is planned to overlap with this ROSES-25 version by a few weeks, allowing continuous submission of proposals across ROSES years. NOTICE: Research security training required starting August 5, 2026. All PIs and any Co-Is that would spend ≥ 10% time on a proposed grants or cooperative agreements must certify they have taken research security training. NASA will be satisfied with the four online research security training modules on the National Science Foundation's (NSF) Research Security Training website at https://www.nsf.gov/research-security/training or the SECURE Center condensed version of the four modules at https://www.secure-center.org/ctm NOTICE: Amended July 2, 2026. This amendment defers the close date for this program element to the end of the calendar year by which the next ROSES with the next RRNES will have been released. NOTICE: March 30, 2026. A new requirement has been added to Section 1 and the point of contact for the NASA flight request system in Section 5.1.1 has been updated. New text is in bold and deleted text is struck through. NOTICE: Amended, January 22, 2026. The last date for submission of proposals in Section 6 has been updated to reflect that ROSES-25 rolling submissions will be open through August 2026. Also, the points of contact have been updated. New text is in bold and deleted text is struck through. NOTICE: Amended September 22, 2025. This amendment announces that those proposing to Earth Science (ROSES Appendix A) to use the NASA Center for Climate Simulation high-end