NASA Headquarters is offering a federal grant opportunity titled "B.21 Heliophysics Citizen Science Investigations" as part of its annual Research Opportunities in Space and Earth Sciences (ROSES) - 2024. Proposals are invited from eligible applicants affiliated with U.S. institutions, with specific guidelines for non-U.S. organizations, to conduct research that contributes to the understanding of heliophysics through citizen science initiatives. This funding is crucial for advancing scientific knowledge in space and Earth sciences, with awards typically structured as grants and a performance period of up to three years, potentially extending to five years. Interested applicants must submit their Step-1 proposals by November 14, 2024, and can direct inquiries to Susanna Finn at susanna.c.finn@nasa.gov or Janet Kozyra at janet.kozyra@nasa.gov for further information.