Vlogger Reuben Levine tells the story of the Colombian army in 2010 sending a message to prisoners of a revolutionary ...

NASA scientists teased the code's existence on Monday. The Internet solved it within 6 hours. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

William Abel, a mail censor at Iowa's State Prison, Fort Madison, using a hot iron to bring out a secret message written in lemon juice on a letter.Three Lions/Getty Images Humans have had a long ...

Tom Bowen is a senior editor who loves adventure games and RPGs. He's been playing video games for several decades now and writing about them professionally since 2020. Although he dabbles in news and ...

On June 27, 2010, the FBI arrested 10 Russian spies who lived and worked as American professionals near New York City. The case, which unraveled an intricate system of false identities and clandestine ...

The engineers at NASA’s Jet Propulsion Laboratory (JPL) managed to hide a clever message in the red and white colors of the Perseverance rover’s parachute that it used to successfully land on Mars ...

Helldivers 2 is known to use its social media accounts to further the narrative of the game, and early this morning, they briefly posted a message in binary code that they have now deleted from their ...

Imagine you are a spy deep undercover and you have to relay a message to another spy without saying a word. Short of telepathy, how could you possibly convey a secret message without anyone realizing ...

In steganography, an ordinary message masks the presence of a secret communication. Humans can never do it perfectly, but a new study shows it’s possible for machines. On June 27, 2010, the FBI ...