Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a ...

Some experts predict that A.I. will surpass human intelligence within the next few years. Play this puzzle to see how far the ...

Here's your weekend win. The answer to the March 29 (1379) Wordle is SORRY. By submitting your information you agree to the ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our crossword blog.

The highly acclaimed mobile puzzle series Monument Valley is finally coming to consoles, including PS5 and PS4. All three ...

In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into as few pieces as possible that will fit together to form a perfect square?

Zachary: I'd like to thank Amanda and the USA Today team for helping me make this puzzle as good as possible. For any future collaborations, email me at [email protected]. I'd love to ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can ...