NASA Headquarters is offering a grant opportunity titled "ROSES 2025: F.6 Science Activation Program" as part of its Research Opportunities in Space and Earth Sciences (ROSES) initiative. Proposers must be affiliated with a U.S. institution and are encouraged to submit optional Notices of Intent by April 15, 2025, while adhering to specific guidelines outlined in the NASA Proposer's Guide. This program is crucial for advancing scientific research and technology development in space and earth sciences, with awards typically structured as grants and a performance period of up to three years, potentially extending to five. Interested applicants should refer to the full announcement and submit proposals by the closing date of June 6, 2025, and can direct inquiries to Lin Chambers at lin.h.chambers@nasa.gov.