NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: B.10 Heliophysics Flight Opportunities Studies," aimed at advancing research in heliophysics through various studies related to flight opportunities. Proposers must be affiliated with a U.S. institution and are required to follow specific guidelines outlined in the NASA Proposer's Guide, particularly for non-U.S. organizations that may involve U.S. personnel. The funding will support a range of research and development activities, with awards typically structured as grants, cooperative agreements, or contracts, and a typical performance period of three years. Interested applicants should submit their proposals by August 27, 2025, and can direct inquiries to Roshanak Hakimzadeh at hakimzadeh@nasa.gov for further information.