Sierra Vista, Arizona offers the perfect backdrop for those who believe the journey matters more than the destination. This southeastern Arizona gem sits nestled against the stunning Huachuca ...

This 180-sided object cannot fit through another like it, no matter where you bore the hole or how you tilt it.

A roughly 3,000-year-old site in Mexico was built in the shape of a cosmogram that stretches for miles, a new study suggests.

When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...

It has been modified for compatibility with both Python 2.7 and Python 3.7. The code as been re-stylized to conform to the PEP8 style guide. Modules have been added to extract core/perimeter polygons ...