On Mar. 28, 1979, the most significant nuclear power accident in U.S. history began after a pressure valve failed to close at ...

The incident at the Three Mile Island nuclear power station in Londonderry Township, Dauphin County, according to the Nuclear ...

TMI reopened after the partial meltdown, closed in 2019 and is expected to open again by the end of the decade.

Three Mile Island's planned reactor restart revives nuclear energy debate and worries residents 46 years after the partial meltdown.

On the 46th anniversary of the power plant’s partial meltdown, opponents pledged to continue their fight against a planned ...

By The Associated Press Today is Friday, March 28, the 87th day of 2025. There are 278 days left in the year. Today in ...

A planned restart of Pennsylvania’s Three Mile Island Unit 1 reactor, nearly 50 years after a partial meltdown at the site, ...

Three Mile Island in Dauphin County before Constellation Energy mothballed the nuclear power plant in 2019. (Peter Hall/Capital-Star) Speakers at a virtual meeting Thursday about Three Mile Island ...

The lights are turning back on at Three Mile Island, the site of America's worst nuclear meltdown, after it has lain dormant for five years. WSJ goes inside to learn more about the delicate ...

32,729 people played the daily Crossword recently. Can you solve it faster than others?32,729 people played the daily Crossword recently. Can you solve it faster than others?

DAUPHIN COUNTY, Pa. — Twin cooling towers still loom over the Susquehanna River, silent sentinels that have stood watch over Dauphin County for decades. To many residents, they're not just ...