Funder: NASA Headquarters
Due Dates: May 1, 2026 (Step-1 proposal deadline) | August 31, 2026 (solicitation closing date)
Funding Amounts: Typical award duration 3 years (some up to 5); budget amounts are per award, per year; no overall ceiling specified.
Summary: Supports foundational research in heliophysics as part of NASA's ROSES-2025 omnibus, advancing understanding of the Sun and its interactions with the solar system.
Key Information: Step-1 proposal required to submit Step-2; one PI submission per program element (exceptions apply); dual-anonymous review process.