Correction: May 19, 2023 — An earlier version of this story misstated Three Mile Island as the worst nuclear disaster in US history. However, it's come to our awareness that the Church Rock ...

Three Mile Island, the shuttered Pennsylvania nuclear power plant that was the site of a 1979 reactor accident that remains the worst commercial nuclear power plant accident in U.S. history ...

In 1979, a partial meltdown of a reactor at the Three Mile Island nuclear plant along ... which was the country’s worst nuclear accident in history.) “Though we have determined it would ...