NASA Headquarters is offering the "NASA Innovative Advanced Concepts (NIAC) Phase I" grant, aimed at supporting innovative research in advanced concepts through a two-step proposal process. This opportunity invites proposals for visionary yet credible studies, with a total of 12 awards expected, each with a ceiling of $175,000. The Phase I proposal's Step A is due on July 1, 2024, while the Step B proposal, which is by invitation only, is targeted for September 19, 2024. Interested applicants can find more details and submission instructions on the NSPIRES website, and inquiries can be directed to John Nelson at hq-niac@mail.nasa.gov.