This year marks the two-hundred-and-fiftieth anniversary of the nation’s founding. The two hundredth wasn’t exactly smooth sailing.

EnergySage says the looming expiration of the federal residential solar tax credit drove a 205% surge in homeowner engagement in the second half of 2025, with median pricing of $2.49/W, an average ...

Par Hawaii Refining LLC, a more than 50-year-old petroleum refinery in James Campbell Industrial Park, says this month it will start up the largest renewable fuel production facility in Hawaii.

With a little cooperation from the clouds, skygazers in the U.S. will get to watch as the moon turns blood red during Tuesday morning's total lunar eclipse.