NASA Headquarters is offering a federal grant opportunity titled "ROSES 2025: A.42 Earth Venture Suborbital-4 Snow4Flow Science Team," aimed at advancing research in Earth science. Proposals are invited from institutions affiliated with NASA's NSPIRES system, with a focus on U.S. organizations, although non-U.S. entities may apply under specific conditions outlined in the NASA Proposer's Guide. This initiative is part of NASA's broader Research Opportunities in Space and Earth Sciences (ROSES) program, which supports a wide range of scientific research and technology development. Interested applicants should note that optional Notices of Intent are due by April 30, 2025, and the final proposal submission deadline is June 4, 2025. For further inquiries, contact Thorsten Markus at thorsten.markus@nasa.gov or call (202) 436-5463.