Ars Technica ยท Aug 19, 2026 16:53 UTC mRNA cancer vaccine succeeded in Phase 3 melanoma trial, Moderna and Merck say Read full story on Ars Technica Share AI disclosure Summary The vaccine reportedly thwarted the cancer's return and spread. Original reporting Open original source Read full article on Ars Technica Get the AFBytes Brief Major stories, AI-assisted analysis, and what to watch next. Free, monthly, unsubscribe anytime. Subscribe