NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: D.21 U.S. Contributions to Ariel Preparatory Science," aimed at supporting research and development in space and Earth sciences. Proposers must be affiliated with a U.S. institution and are required to submit a mandatory Notice of Intent by December 12, 2024, as part of the application process. This grant is part of the broader ROSES-2024 Research Announcement, which encompasses various program elements that facilitate a wide range of scientific inquiries and technological advancements. Interested applicants should refer to the full announcement and specific program element details available on the NSPIRES website, and direct any inquiries to Hannah Jang-Condell at Hannah.Jang-Condell@nasa.gov, with proposals due by February 4, 2025.