Funder: NASA Headquarters

Due Dates: February 25, 2025 (Step-1) | June 2, 2025 (Step-2)

Funding Amounts: Research Investigations: up to $800,000 (ground/other flight, 3–4 yrs), $900,000 (ISS, 4 yrs); New NASA Investigator: $400,000 (2 yrs); PSI: $200,000 (2 yrs); Fundamental Physics: $600,000 (3 yrs)

Summary: Supports research on physical phenomena in microgravity and space environments, including fundamental and applied studies relevant to space exploration and quantum science.

Key Information: Step-1 proposal is mandatory to submit Step-2; dual-anonymous peer review applies; U.S. organizations only (PI must be U.S.-based).