On-air challenge: This week's challenge was inspired by my puzzle-making friends at SolvingFun.com. Each answer is a word made from a part of the body, with an extra letter at the end. For example ...

Puzzle #1495 has left players guessing with subtle science-based hints and no repeated letters. Were you able to crack ...

Some experts predict that A.I. will surpass human intelligence within the next few years. Play this puzzle to see how far the machines have to go. By Dylan Freedman and Cade Metz Produced by ...

Once Human’s Telephone Booth puzzle might confuse new players, but it's not as difficult as it seems. This puzzle is one of the new Seasonal Goals under the Exploration section.

Puzzles are often designed to be challenging, and some may seem to be frustratingly unsolvable. Yet, if a solution exists, the human mind can find it. It's this ability that scientists from the ...

The puzzle reads, "What day would Yesterday be if Thursday was 4 days before the day after Tomorrow?" The phrasing is deliberately tricky, forcing you to carefully consider how each day relates to ...