W hen most people think of shapes, they imagine a triangle, a rectangle, or maybe even a fancier- sounding rhombus or ...

Scientists tested crows on their ability to recognize “geometric regularity,” a skill previously assumed to be unique to ...

A suspected UFO has been seen soaring above a city in Colombia before darting back and forth in a zig-zag motion, startling at least one witness who managed to capture images of the mysterious object.