NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: A.63 Ecohydrology," aimed at supporting research in ecohydrology as part of its broader Research Opportunities in Space and Earth Sciences (ROSES) initiative. Eligible applicants must be affiliated with U.S. institutions, although organizations outside the U.S. may apply under specific conditions outlined in the NASA Proposer's Guide. This grant is significant for advancing scientific knowledge and technology in space and Earth sciences, with awards typically structured as grants, cooperative agreements, or contracts, depending on the proposed work. Proposals are due by March 19, 2025, with optional Notices of Intent due by January 16, 2025; interested parties can direct inquiries to Craig Ferguson at craig.r.ferguson@nasa.gov.