Everyone learns the number one rule about triangles in high school: the angles of a triangle add up to 180 degrees. But did you know that sometimes they don't? Triangles are much more interesting than ...

One hypothesis about the shape of the universe is that the universe is in the space of Euclidean geometry and flat. In Euclidean geometry, it is assumed that straight lines extend everywhere, planes ...

A new study shows that like humans, crows can recognize geometric regularity, making them the first nonhuman animal known to have this ability. Squares, triangles, circles - these geometric shapes ...