Biking through the pitch black, 1.66-mile long St. Paul Pass Tunnel the first of nine tunnels, seven trestles on the 14-mile ...

According to Energy Secretary Chris Wright, "The long-awaited American nuclear renaissance must launch during President Trump ...

By Lesley Frederikson From the top of El Castillo, the tallest Mayan ruin at Xunantunich and second-largest man-made structure in Belize, I could see forever, and it took my breath away. Our guide ...

Constellation announced it is ahead of schedule for the launch of the Crane Clean Energy Center, the former Three Mile Island ...

The owners of Three Mile Island say they are ahead of schedule to reopen the undamaged reactor at the site of the worst ...

There will be streaks on the line, qualifying marks to hit and much more as we look ahead to the weekend at the U.S. Indoor ...

You can listen to the latest episode of “Today in Pa” on any of your favorite apps including Alexa, Apple, Spotify, Stitcher and YouTube. Episodes are available every weekday on PennLive. Feel free to ...

The company hopes to have TMI's undamaged reactor restarted by 2028. It plans to sell the electricity to Microsoft to power ...

The company provided updates on its hiring, site readiness, inspections, upgrades, new equipment purchases, licensing and ...

Constellation Energy on Wednesday said the company is "on schedule" to restart a nuclear reactor at Three Mile Island and has ...

You know those jarring tones that blare from everyone’s cell phones in the event of a weather emergency or public safety ...

The owner of the Three Mile Island nuclear plant says it is updating software and evacuation plans to respond to any ...