Science2017globalhigh confidence

The first detection of a neutron star merger occurred in 2017.

Notes on verification

Well-documented event (GW170817) confirmed by LIGO/Virgo and multiple electromagnetic observations, corroborated by peer-reviewed publications and official agency releases. [tier=silver indep_score=1.0 clusters=2 claim_tier=notable | kind=empirical eligibility=high]

Sources