A study says a triangle between the Vitruvian Man’s feet reveals a 1.64 ratio, also found in Bonwill’s jaw model and natural ...

A determined and well-connected English astronomer, Professor Sanford Thayer, and a resourceful engineer, Wilson Ballard, are digging a vast equilateral triangle in the middle of the Egyptian desert.

This large, nearly equilateral triangle is composed of three of the brightest stars in the sky, each belonging to its own constellation.

Recently, I was looking for a new solar energy plant near Gila Bend when I discovered another of these strange triangles. Do you know what they are? Perhaps they are some aid to airplanes.

Henry Dudeney, a self-taught English mathematician and puzzle columnist, asked his readers to dissect an equilateral triangle into the smallest number of pieces that could be rearranged into a square.

A determined and well-connected English astronomer, Professor Sanford Thayer, and a resourceful engineer, Wilson Ballard, are digging a vast equilateral triangle in the middle of the Egyptian ...