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 ...

It has been 39 years since a meltdown at Three Mile Island became the most significant nuclear accident in U.S. history. On March 28, 1979, one of the reactors at that power plant partially melted ...

In 1979, the Three Mile Island nuclear power plant, located just outside of Harrisburg, Pennsylvania, experienced a meltdown. This was the worst nuclear accident in the history of the United States.

David Callaway and Douglas McIntyre, Editors-in-Chief at Climate Crisis 24/7, discuss Microsoft and Constellation Energy’s symbolic decision to restart Three Mile Island—site of the U.S.’s worst ...

On Mar. 28, 1979, the most significant nuclear power accident in U.S. history began after a pressure valve failed to close at the Three Mile Island nuclear plant near Harrisburg, Pa. What followed … ...

Arnold “Arnie” Gundersen was a lead nuclear engineer in 1979 when the partial meltdown at Three Mile Island sent a tide of fear and panic across central Pennsylvania. Gundersen, a former ...

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, is ...

On March 28, 1979, Unit 2 at the Three Mile Island Nuclear Power Plant near Middletown, Pennsylvania, experienced a partial meltdown in what became known as the nation’s worst commercial nuclear ...

The Unit 1 reactor on Three Mile Island, which closed in 2019, is adjacent to the Unit 2 reactor that experienced a major nuclear power accident in 1979 By David Chiu ...

The partial meltdown at the nuclear power plant at Three Mile Island in Pennsylvania in 1979 was a perfect coalescing of factors in two senses. First, a series of cascading mechanical and human ...

MIDDLETOWN, PA. — Almost 32 years after America’s worst nuclear crisis at Three Mile Island, people who live in the shadow of the reactor’s cooling towers can instantly distinguish among ...

When disaster struck, no human could see or venture inside the Three Mile Island nuclear power plant where a meltdown in the reactor core caused radioactive coolant water to pool eight-feet high ...