Airlines routinely adjust routes to take advantage of favourable winds, even if that means flying a path that looks longer.

What is the shortest distance between two lines? As we learned growing up in school, it is a straight line. When we look at two dots on a blank sheet of paper, that is the correct answer. Yet, unlike ...

Your location in this Universe isn't just described by spatial coordinates (where), but also by a time coordinate (when). It is impossible to move from one spatial location to another without also ...