Photographs make time travel possible. They often provide a blast from the past that gives us a sliver of an idea of how life was back then. They represent a moment in history when a renowned figure ...

Ancient humans did not sleep continuously. They commonly slept in two shifts each night, separated by a period of wakefulness ...

Oil is so embedded in daily life that it often goes unnoticed. But before the mid-19th century, it played a very small role ...

Power Northwest includes 10 Pennsylvania counties, including Mercer and Lawrence Counties, and aims to provide a unified ...