A man is in critical condition after he was shocked while trying to steal copper wire from a PECO transformer box, police say.

Two relics from Philadelphia’s industrial past — the PECO power plant next to Penn Treaty Park and the F.A. Poth Brewery at 31st and Jefferson — are about to become thrumming hubs again ...

That's the nuclear power plant in Pennsylvania whose reactor #2 had a partial meltdown in 1979. There were no injuries, and nobody died, but it set the nuclear industry back years. Only two new ...

Microsoft turned to nuclear power last year, signing a deal to support the restart of Three Mile Island through an agreement to purchase electricity from the currently shuttered plant. But it's ...

For decades, the U.S. has led the race to clean, limitless nuclear fusion energy. Now China is catching up, spending twice as much and building projects faster.