Mathematical constants are built from the fabric of mathematics and can be determined a priori: Pi is based on the shape of a circle and can be calculated from numerous equations, e is from the growth ...

The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the cosmos. It's also the source of one of the most enduring and confounding ...

Pi Day is upon us again, for those who note today’s date in the format 3/14 (March 14). But rather than talk about Pi Day itself, as I did last year, this year I want to talk about Pi and mathematical ...