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

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution with fewer pieces is impossible. Their result was posted to the server ...

The world is fragmented into a thousand pieces. No, literally — this new world map jigsaw puzzle that I recently brought home ...

Watch Wisconsin and Florida next week for early indications of how the GOP is doing.

Do you think the United States of America is in a 'constitutional crisis' under Donald Trump's presidency? Take our survey.