Three Mile Island’s undamaged Unit 1 reactor sits next to Unit 2, which was shut down after a partial core meltdown in 1979.

Three Mile Island's Unit 1 is set to reopen in a $1.6 billion deal with Microsoft, signaling a potential nuclear power ...

Three Mile Island’s proposed revival reflects how vastly the perspectives on nuclear power in the United States have shifted since a cooling failure led to the partial meltdown of one of the ...

Constellation Energy says it wants to restart Reactor Unit 1 at Three Mile Island, which was the site of the worst commercial nuclear disaster in U.S. history after the adjacent reactor ...

The 1979 partial meltdown of the power plant at Three Mile Island was the worst nuclear accident in U.S. history. Now, 45 years later, the plant’s operator is in talks to reopen it, with one ...

Successfully resurrecting Three Mile Island, which is widely known for a 1979 partial meltdown that cast a pall over the U.S. nuclear sector for decades, would put the plant at the front edge of ...

Douglas McIntyre reflects on the 45th anniversary of the Three Mile Island reactor meltdown, which remains the worst nuclear ...