In a state filled with natural wonders, Oil Creek stands out as Pennsylvania’s most surprising state park – where the story of modern civilization is told through rusting artifacts and healing forests ...

A new study takes another look at some of the oldest known stone tools and suggests their makers transported materials for up to eight miles ...

New analysis of a 140,000-year-old skull morphologically resembling modern humans and Neanderthals may be the earliest example of interbreeding between the two groups.