B.2 Heliophysics Foundational Research, NNH25ZDA001N-HFR

B.2 Heliophysics Foundational Research, NNH25ZDA001N-HFR is sponsored by National Aeronautics and Space Administration (NASA):HQ:SMD:HP. This NSPIRES listing indicates an open opportunity for foundational research in heliophysics, managed by NASA's Heliophysics Division.

Amendment 44: Final Text for B.

2 Heliophysics Foundational Research - NASA Science International Space Station NASA’s Hubble, Webb Find Far-out Solar System Objects ‘Remember’ Past NASA’s Hubble Tracks New Decagon Encircling Saturn’s South Pole NASA’s Dragonfly Gets Wired Up While Titan Landing Area Is Named Upcoming Launches and Landings Communicating with Missions James Webb Space Telescope International Space Station Earth Science Researchers Asteroids, Comets & Meteors The Search for Life in the Universe Astrophysics & Space Science Biological & Physical Sciences Human Space Travel Research Technology Transfer & Spinoffs Technology Living in Space Manufacturing and Materials For Colleges and Universities Requests for Exhibits, Artifacts, or Speakers NASA Brand & Usage Guidelines NASA’s Hubble, Webb Find Far-out Solar System Objects ‘Remember’ Past NASA’s Hubble Spies Superbubble Scene NASA’s X-59 Aircraft Builds Momentum Through 25th Flight From the Corps to the Cosmos, featuring Jaden Caradine Human-Related Microbes May Survive Moon’s South Pole, NASA Finds Dust Storm Sweeps Over Mali How 2 US, European Satellites Are Studying Hurricanes During El Niño NASA’s Hubble, Webb Find Far-out Solar System Objects ‘Remember’ Past NASA’s Hubble Tracks New Decagon Encircling Saturn’s South Pole NASA Rocket Takes First Multi-Point Look Inside Radio-Disrupting Clouds NASA’s Chandra Unveils Mysterious X-Ray Objects NASA’s Hubble Spies Superbubble Scene 9 Things to Know About NASA’s Nancy Grace Roman Space Telescope NASA’s Chandra Unveils Mysterious X-Ray Objects NASA Johnson Pilots Chase Moon’s Shadow for Eclipse Science NASA Selects University Teams to Help Advance Aviation Research NASA Student Aviation Challenge Focuses on Nation’s Infrastructure NASA’s Life-Saving Technology Where Cell Signals Can’t Go Anak Krakatau Rumbles Again NASA Technique for Manipulating Satellite Photos Now Reveals Ancient Images From the Corps to the Cosmos, featuring Jaden Caradine 1,000 Museum Visitors Dive Into NASA Sea Level Science on World Ocean Day NASA Revamps Challenge Linking Community College Studies to Aerospace Careers NASA’s Dark Universe-Seeking Nancy Grace Roman Space Telescope Launches President Honors NASA’s Artemis II Crew with Highest US Space Award President Trump Signs Executive Order to Create US Space Academy La NASA anuncia la cobertura de la misión lunar Artemis II Agenda diaria de la misión a la Luna de Artemis II de la NASA La NASA refuerza Artemis: añade una misión y perfecciona su arquitectura general Amendment 44: Final Text for B.

2 Heliophysics Foundational Research B. 2 Heliophysics Foundational Research (HFR) solicits investigations that advance the fundamental physical understanding of the Sun-Heliosphere-Planetary system. The emphasis of HFR is on uncovering and characterizing the underlying drivers, couplings, and governing processes that shape heliophysical phenomena across spatial and temporal scales, from the solar interior to planetary environments.

B. 2 HFR focuses on foundational science: research that seeks to reveal first-principle mechanisms, system connectivity, and emergent behavior, rather than to directly develop or optimize predictive or operational capabilities.

While outcomes from HFR investigations may inform future prediction frameworks or applied models, the primary objective of this program element is to build a deeper and more coherent physical understanding of the heliophysics system.

The HFR program is intended to support forward-looking, high-impact research that is at the forefront of heliophysics science and that motivates and enables future Heliophysics missions, programs, and strategic investments. Investigations supported under HFR are expected to address long-standing knowledge gaps, challenge prevailing assumptions, and establish new conceptual or methodological frameworks for the field.

To address these foundational goals of Heliophysics sciences, the HFR program element is soliciting Strategic Science Teams that directly support current strategic needs of NASA Heliophysics. ROSES-2025 Amendment 44 releases final text and the Step-1 due date for B. 2 HFR .

The Step-2 due date remains TBD for now but will be announced at least 60 days before the Step-2 proposal due date, see Section 3. 1. On or about February 3, 2026, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2025" (NNH25ZDA001N) will be posted on the NASA research opportunity homepage at https://solicitation.

nasaprs. com/ROSES2025 Questions concerning B. 2 HFR may be directed to hq-hpd-hfr@mail.

nasa. gov . How 2 US, European Satellites Are Studying Hurricanes During El Niño Last November, NASA and its European partners launched the Sentinel-6B satellite to improve hurricane forecasts,… NASA’s Hubble, Webb Find Far-out Solar System Objects ‘Remember’ Past NASA’s Hubble Spies Superbubble Scene This Hubble Space Telescope image features a sprawling cosmic vista called N44.

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