Science2020sglobalhigh confidence

The KM3NeT collaboration detected a neutrino with an energy of about 220 petaelectronvolts (PeV).

Notes on verification

Confirmed by peer-reviewed Nature publication (Feb 2025) from the KM3NeT collaboration, corroborated by collaboration press releases and independent major science media (BBC, Reuters, CNRS). [tier=silver indep_score=0.95 clusters=3 claim_tier=exceptional | framework convergence=single on KM3NeT collaboration's Nature paper reporting event KM3-230213A (upstreams: KM3NeT Collaboration, Nature (peer-reviewed publication, Feb 2025)) — publishers independent, evidence may not be | kind=empirical eligibility=high]

Sources