NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: A.26 Earth Surface and Interior," aimed at advancing research in Earth science and related fields. Proposers must be affiliated with a U.S. institution and are encouraged to submit optional Notices of Intent by April 11, 2025, while adhering to specific guidelines outlined in the NASA Proposer's Guide. This grant is part of the broader Research Opportunities in Space and Earth Sciences (ROSES) 2025 solicitation, which encompasses various program elements supporting a wide range of scientific research and technology development. Interested applicants should note that the proposal submission deadline is June 13, 2025, and can direct inquiries to Benjamin R. Phillips at ben.phillips@nasa.gov for further assistance.