Funder: NASA Headquarters

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

Funding Amounts: Research Investigations: up to $800,000 (ground/non-ISS flight, 3–4 yrs) or $1,000,000 (ISS, 4 yrs); Early Career: up to $600,000 (3–4 yrs); New NASA Investigator: $200,000 (1 yr); OSDR Analytical: $250,000 (2 yrs); Tissue Sharing: $350,000 (3 yrs)

Summary: Supports research on how living systems respond to space exploration environments, with a focus on Precision Health and Space Crops, excluding ISS rodent/vertebrate experiments.

Key Information: No ISS rodent/vertebrate experiments allowed; ground-based vertebrate studies are permitted; Step-1 proposal required for Step-2 submission.