Restarting a closed nuclear plant is a complex regulatory process that involves numerous inspections, safety checks, part ...

In 1979, in the worst nuclear power plant accident in U.S. history, a series of mishaps caused the release of radiation at the Pennsylvania facility ...

The Three Mile Island nuclear power plant in Middletown, Pa., site of hte worse commerical nuclear power accident in American history, stopped producing electricity on Sept. 20, 2019.

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 ...

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 ...

Three Mile Island, the Pennsylvania nuclear plant that was the site of a 1979 reactor accident, is reopening to generate power for artificial intelligence.

The reopening — among the first instances nationwide of a nuclear reactor restarting after it closed — is on track for as ...

Safety officials checked workers from the Three Mile Island power plant, located near Harrisburg, Pennsylvania, for possible radiation exposure on Mar. 28, 1979.

A newly-announced Microsoft deal would reopen a retired reactor on the site of the worst nuclear power plant accident in U.S. history.

While most people were still asleep just before 4 a.m. on Wednesday, March 28, 1979, a malfunctioning valve set off what would become “the most serious accident in U.S. commercial nuclear power ...

The dormant power plant renowned as the site of the worst nuclear accident in U.S. history — Three Mile Island — may be switched back on, driven in part by the ravenous energy appetites of ...

The Three Mile Island nuclear power plant closed for good after the plant partially melted down — it's one of the worst US nuclear disasters.