The program refurbished passenger railcars to like-new condition, extending their service life by up to 15 years while ...

The vertex at left represents the present day, while the opposite edge reaches back to when the universe was less than 1 ...

President Donald Trump spoke of historic achievements for the country's 250th birthday, ranging from Revolutionary War ...

Navajo leaders tout possible coal expansion as the EPA proposes loosening federal coal waste disposal regulations.

Amazon has great buys on the Shark Rocket Vacuum for $99 (50% off), Ninja Air Fryer Oven for $149.95 (40% off), BIC & Sharpie ...

Read Western Pennsylvania's best local news coverage of Allegheny County, Westmoreland County, Alle-Kiski Valley and Pittsburgh surrounding areas.

The Tribune is taking a look back at what the Chicago area and the state ...