One of the potential beneficiaries of Gov. Josh Shapiro’s newly announced Pennsylvania energy plan could be a $1.5 billion ...

Researchers have found the oldest known evidence of lead pollution dating to around 5,200 years ago in ancient Greece.

When they absorb the energy radiating from Earth’s surface, microscopic water or greenhouse gas molecules turn into tiny heaters— like the bricks in a fireplace, they radiate heat even after the fire ...