HEASoft 6.37 released (13 Aug 2026)nasa.govAug 13Read at nasa.govMore from HEASARC HeadlinesEarlier from this sourceIXPE Data Reprocessing (18 Sep 2026)15h agoXRISM Key Program Call for Proposals (09 Sep 2026)Sep 9NuSTAR Caldb Update (03 Sep 2026)Sep 3Swift SC CALDB updated (01 Sep 2026)Sep 1Additional opportunities to propose for NuSTAR time (19 Aug 2026)Aug 19AMS-02 All Particle Rates Catalog Released (04 Aug 2026)Aug 4IXPE Cycle 4 Now Accepting Proposals (04 Aug 2026)Aug 4Required work plan moved to Expertise and Resources document (30 Jul 2026)Jul 30How this page changedShareSign in to saveLink