ROSES 2025: B.3 Heliophysics Theory, Modeling, and Simulations

The National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) is soliciting proposals for its Research Opportunities in Space and Earth Sciences (ROSES) – 2025 program. The program aims to support basic and applied research and technology in space and Earth sciences. Proposers must submit a Step-1 proposal by September 16, 2025, and if selected, a Step-2 proposal by November 25, 2025. Awards will be made as grants, cooperative agreements, or contracts, with a typical period of performance of three years. The program is open to organizations of every type, including government and private, for-profit and not-for-profit, domestic and foreign. Key aspects of the program include: • Support for research and technology in space and Earth sciences • Awards made as grants, cooperative agreements, or contracts • Typical period of performance of three years • Open to organizations of every type, including government and private, for-profit and not-for-profit, domestic and foreign • Proposers must submit a Step-1 proposal by September 16, 2025, and if selected, a Step-2 proposal by November 25, 2025.