NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: D.20 Exoplanet Mass Measurement Program," aimed at advancing research in exoplanet mass measurement. Proposers must be affiliated with a U.S. institution and are required to submit a mandatory Notice of Intent by January 23, 2024, along with a proposal package that includes specific forms outlined in the associated instructions document. This program is part of the broader Research Opportunities in Space and Earth Sciences (ROSES) initiative, which supports a wide range of scientific research and technology development in space and Earth sciences. Interested applicants should note that the proposal submission deadline is February 26, 2025, and can direct inquiries to Hannah Jang-Condell at hannah.jang-condell@nasa.gov for further information.