NASA Headquarters is offering a federal grant opportunity titled "ROSES25: D.3C XRISM General Observer - Type 2," aimed at supporting research in space and Earth sciences. Proposals are invited from institutions affiliated with NASA's NSPIRES system, with a focus on enabling new joint observations with XMM-Newton and NuSTAR, as well as time-constrained and Target-of-Opportunity (TOO) observations. This initiative is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) - 2025 solicitation, which encompasses various research and technology activities. Interested applicants must submit their proposals by February 27, 2026, and can direct inquiries to Sanaz Vahidinia at sanaz.vahidinia@nasa.gov for further information.