An astronaut who was on board the International Space Station captured a checkerboard pattern alongside the Priest River in ...

Optical illusion puzzles are known to be fun and fascinating brain challenges that are designed in such a manner that they ...

A 2017 astronaut photo shows an unusual checkered pattern surrounding a river, just south of the Canadian border. The unique ...

An astronaut’s photo reveals a giant chessboard-like forest in Idaho. Snow and a 200-year-old grid-based management system ...