NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: B.3 Living with a Star Science," aimed at advancing research in heliophysics and related fields. Eligible applicants must be affiliated with U.S. institutions, with specific provisions for non-U.S. organizations under certain conditions, as detailed in the NASA Grant and Cooperative Agreement Manual. This grant is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which supports a wide range of scientific research and technology development. Proposals for Step-1 are due by January 21, 2026, with the Step-2 proposal due date to be announced at least 60 days prior. For further inquiries, interested parties can contact Susanna Finn at susanna.c.finn@nasa.gov or John McCormack at john.p.mccormack@nasa.gov.