NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: D.5 Astrophysics Pioneers," aimed at advancing research in astrophysics. Proposers must be affiliated with a U.S. institution, as NASA primarily funds domestic organizations, although some provisions exist for international collaboration under specific guidelines. This grant is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which encompasses various research and technology projects, with awards typically structured as grants. Interested applicants should note that mandatory Notices of Intent are due by January 23, 2026, and the final proposal submission deadline is March 13, 2026. For further inquiries, contact Pablo Saz Parkinson at pablo.sazparkinson@nasa.gov or by phone at (831) 226-9582.