Theoretical and Computational Astrophysics Networks (TCAN program element D.4 of ROSES-25) supports coordinated efforts in fundamental theory and computational techniques to make advances in astrophysics that extend beyond the scope of individual investigator projects. The goals of the TCAN program include strengthening theoretical and computational astrophysics in the United States by uniting researchers in collaborative networks that cross institutional and geographical divides and advancing the training of the future workforce of theoretical and computational scientists. For this program element, TCAN will focus its scope to address grand challenges in Time Domain Multi-Messenger Astrophysics (TDAMM).
On or about March 25, 2026, the TBD placeholder for D.4 TCAN has been updated to reflect the new focus on time domain multi-messenger astrophysics, supporting efforts to advance integrated, multi-scale, multi-physics modeling of these phenomena.
On or about March 25, 2026, this update 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 D.4 TCAN may be directed to Sanaz Vahidinia at sanaz.vahidinia@nasa.gov.
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