NANOGrav's GravitationalNANOGrav's GravitationalWave Searchwaves from supermassive black holes.New evidence suggests gravitationalHigh Energy Astrophysical PhenomenaNANOGrav's Findings on Gravitational WavesA 15-year study reveals hints of gravitational waves using pulsar timing.2025-10-19T15:08:39+00:00 ― 5 min read