Joe Napsha Sunday, Feb. 16, 2020 12:00 p.m. | Sunday, Feb. 16, 2020 12:00 p.m. A group of surveyors from Pennsylvania and Maryland starting this year plan to create a new record of what might be ...

Mason and Dixon were pioneers in bringing geodetic astronomy to the American colonies. Through the efforts of the Mason and Dixon Line Preservation Partnership, we can promote this scientific ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Could there be a more opportune moment for an authoritative book on the border crisis? No, not that border, and not today’s crisis, but the dispute that once raged over where Pennsylvania ended and ...

The Mason-Dixon line is a major part of history, but the majority of the more than 200 stones that mark the line are not on the National Register of Historic Places.Volunteers are trying to change ...