A secret code has gone unnoticed for years on the side of a train. The concealed message appears on Great Western Railway's ...

MCU fans may have cracked a secret message hidden within the Avengers: Doomsday trailers. Marvel Studios' Avengers: Doomsday is currently in post-production. Directed by Joe and Anthony Russo, also ...

An anonymous bidder has won the solution to a 35-year-old puzzle for nearly $1 million. The top-secret code could be used to solve Kryptos, an infamously enigmatic sculpture containing four hidden ...

Coders have a storied tradition of creating back doors in programs (or sometimes just fun little Easter eggs) that can only be accessed with a special "key." This has happened for almost as long as ...

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the headquarters of the U.S. Central Intelligence Agency, recently took a bizarre twist.

MCU fans may have cracked a secret message hidden within the Avengers: Doomsday trailers. Marvel Studios’ Avengers: Doomsday is currently in post-production. Directed by Joe and Anthony Russo, also ...