A nine-digit number typed at the bottom of a letter believed to be sent by the infamous hijacker D.B. Cooper confirms the letter could have come from only one person, according to a cold-case ...

Five-letter words are a fundamental part of the English language, forming the building blocks of both everyday conversation and complex writing. They are particularly popular in many word puzzles and ...

You know how sometimes you see those videos where people are asked to name countries starting with a certain letter, and they totally blank? It's tougher than it looks, right? Most of us can name the ...