NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: A.4 Rapid Response and Novel Research in Earth Science," aimed at supporting innovative research in Earth science. Proposals can be submitted at any time, with the final submission deadline set for March 31, 2026, under the ROSES-25 rules, allowing for continuous proposal submissions across ROSES years. This program is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which encompasses a wide range of research and technology activities, primarily funded through grants. Interested applicants, particularly those affiliated with U.S. institutions, are encouraged to review the full announcement and specific program element details available on the NASA NSPIRES website, and may direct inquiries to the provided contact emails for further assistance.