NASA Headquarters is offering the "NASA Innovative Advanced Concepts (NIAC) Phase I" grant, aimed at supporting innovative research in advanced concepts related to space technology. This opportunity invites proposals for visionary yet credible studies, with a focus on advancing scientific and technological development within the aerospace sector. The program is part of the broader Space Technology Research, Development, Demonstration, and Infusion (SpaceTech REDDI 2025) initiative, and it is open to all U.S. organizations, with non-U.S. entities allowed to participate under specific conditions. The grant has an award ceiling of $175,000, with a total of 12 awards expected, and proposals must be submitted electronically by July 15, 2025, for Step A, with Step B due by invitation on October 7, 2025. For further details, interested applicants can contact John Nelson at hq-niac@mail.nasa.gov or visit the NSPIRES website for updates and submission guidelines.