Funder: U.S. National Science Foundation
Due Dates: November 18, 2025 (Plasma Physics) | November 26, 2025 (AMO, Gravitational Physics, LIGO, Integrative Activities) | December 2, 2025 (Nuclear Physics, Elementary Particle Physics–Experiment, Particle Astrophysics–Experiment) | December 9, 2025 (Elementary Particle Physics–Theory, Particle Astrophysics and Cosmology–Theory, Physics of Living Systems, Quantum Information Science)
Funding Amounts: Approx. $90M total annually; typical project durations of 3–5 years; ~300 awards/year; mid-scale infrastructure $4M–$30M.
Summary: Supports investigator-initiated research projects across all major subfields of physics, including experimental, theoretical, and infrastructure efforts.
Key Information: Proposal deadlines vary by subfield; single proposal submission for co-review is encouraged.