12 March 2025
XMM-Newton 25th Anniversary Conference 19 – 22 May 2025
PhysCOS Activities at APS Global Physics Summit
EMIT Summer School in Multimessenger Astronomy: Apply by 15 March 2025
NewAthena Science Community Call is Open; Applications Due by 16 March 2025
HWO Community Science and Instrument Team; Self-Nominations Due by 17 March 2025
ROSES-24: D.17 XRISM General Observer Solicited; Proposals Due by 15 May 2025
