Discover Pennsylvania’s mining heritage on this underground train ride through a historic coal mine deep beneath the surface.

The war in Ukraine has had an effect on many aspects of life all around the world. Inflation, especially in the price of coal, is jeopardizing the future of some of Britain’s living and breathing ...

When an inventor has a unit of measurement named after him, it's clear his work had more than a small impact on scientific and industrial progress. So it was for James Watt, whose Watt engine is often ...