The National Science Foundation is stopping research grants that involve Chinese scientists under a newly announced policy, according to reporting. The shift adds another layer to how federal agencies are narrowing research engagement in the context of national-security scrutiny. For universities, the change affects proposal planning, collaboration structures, and compliance reviews for projects that previously included Chinese-based researchers. Institutions will likely need to revisit partner roles, project staffing, and eligibility language before submitting or continuing awards. The decision also raises near-term questions for ongoing studies that relied on Chinese scientific participation and whether universities will need amendments, replacements, or restructuring to maintain funding continuity.