NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: C.2 Emerging Worlds," aimed at supporting research and development in space and Earth sciences. Proposals are invited from eligible applicants affiliated with U.S. institutions, with the flexibility for some international collaborations under specific guidelines. This program is part of the broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which encompasses various individual program elements, allowing for continuous proposal submissions across overlapping years. Interested parties should note that the final submission date for proposals is March 28, 2025, and can direct inquiries to Julie Ziffer and Curtis Williams at HQ-EMERGINGWORLDS@mail.nasa.gov for further information.