Gravitational Waves andGravitational Waves andNANOGrav Insightson gravitational wave origins.NANOGrav's findings challenge our viewsHigh Energy Astrophysical PhenomenaNANOGrav: Shedding Light on Gravitational WavesNANOGrav's data reveals insights into the nature of gravitational waves over 15 years.2025-06-22T11:54:45+00:00 ― 5 min read