The letter “x” often symbolizes something unknown, with an air of mystery that can be appealing. Illustration by Meilan Solly Even though “x” is one of the least-used letters in the English alphabet, ...

The letter x used in math problems has a fascinating history tracing back to arabic origins. Its adoption reflects a unique ...

Every answer consists of two letters of the alphabet that sound like a word or name. Fill in the blanks to get them. For example, if the clue is ___ watermelon, then the answer would be, "C-D" as in ...

One woman was left confused when she looked at her niece's ABC book where one letter was particularly unexpected.

One little letter, so much baggage. By Stella Bugbee The letter has its obvious appeals. X is a versatile shape — one of the few capital letters to remain symmetrical whether bisected vertically or ...