NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: A.36 The Science of PACE," aimed at advancing research in space and Earth sciences. 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 the broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which encompasses various program elements, each with distinct topics and deadlines, emphasizing the importance of innovative research in these fields. Interested applicants should submit optional Notices of Intent by October 1, 2024, and proposals by January 22, 2025, while direct inquiries can be made to Laura Lorenzoni at laura.lorenzoni@nasa.gov or by phone at (202) 358-1709.