My son hadn’t even been born when I started secretly writing him a birthday letter each year. As he neared adulthood, I ...

A coded passage in “Kryptos,” Jim Sanborn’s sculpture at CIA headquarters, has gone unsolved for decades. After he announced its auction, two researchers stumbled on the answer.

Every modern automobile carries a 17-character vehicle identification number, an alphanumeric string unique to that single ...

A single leaked hint exposed the CIA’s most puzzling code. But dozens of the world’s toughest ciphers are still waiting to be ...

Many unexpected human artifacts have been preserved, for centuries, in vulture nests. This sandal woven from grasses and twigs, called an agobía, is somewhere between 727 and 771 years old, ...

The phonics screening check is so closely correlated with month of birth that it can be argued that it is a test of age rather than decoding.

How does one crack the world’s most famous code? The breakthroughs on Kryptos provide a guided tour through the cat and mouse game between code makers and code breakers that has defined information ...

Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if anyone could decrypt ...

As second-year medical students in Philadelphia, one being a military veteran and the other an immigrant, we are alarmed by the government shutdown’s devastating impact on global health. This is not a ...

Recently, federal health authorities created fear and confusion about use of acetaminophen, a common pain relief medicine, during pregnancy. As an ob-gyn, a physician who provides care during ...

To the editor: With the 1st Amendment of the U.S. Constitution still my right, I wish to share my story of a lived experience. On October 3, my family fled these United States and this state of Alaska ...

More and more I hear of many friends and others who are “tuning out” the national and even local news. They feel that no news is good news and, therefore, if they don’t know or hear about it, their ...