NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: C.12 Planetary Instrument Concepts for the Advancement of Solar System Observations." This program invites proposals from eligible applicants affiliated with U.S. institutions to advance the development of planetary instruments that enhance solar system observations, with no cost-sharing or matching requirements. The initiative is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) – 2025 solicitation, which encompasses various research and technology projects aimed at supporting scientific advancements. Proposals can be submitted at any time until the final deadline of March 31, 2026, and interested parties should refer to the NASA Proposer's Guide for detailed submission instructions and requirements. For further inquiries, contact Nalin Ratnayake at hq-picasso@mail.nasa.gov.