Ekert said that this statistical codebreaking technique was developed in the 9th century by the Arab polymath Al-Kindi. This ...

Mechanical engineers inspecting a lighthouse found a surprising message: a handwritten missive from workers of another age.

Cylinder seals, made of stone, were invented in Uruk, an area in southern Iraq.They were engraved with designs and then ...

Chilling Cryptic Message by Zodiac Killer Solved 50 Years After His Notorious Killings in California The Zodiac Killer has ...

Courtesy of Photo by Matt Payne of Durango, Colorado|Getty Images Many critics, travelers and locals agree that of all of Portland's parks (and they are numerous), Washington Park is perhaps the ...

Are you looking for a cute way to surprise someone with a trip to Disney for Christmas? Keep scrolling to get this free printable Disney surprise letter that makes the perfect Christmas gift! This ...

What is 'I Am Zodiac' on Netflix about? The Zodiac gained popularity in the late 1960s and mid-1970s for sending letters and cryptograms to the media and police, in which he revealed clues about ...

The killer sent taunting letters and cryptograms to police and newspapers that included astrological symbols. There are several theories about the killer's identity, but they've never been identified.

"And that's kind of where we're at, I went as far as to print my dad's DNA profile in the book so they could take a look at it... "It's one of the oldest and coldest cases there is. But I think I ...