NPR's Ayesha Rascoe plays the puzzle with Puzzlemaster Will Shortz and KUT listener Dan Tatje of Georgetown, Texas.

In today's optical illusion, evaluate your observation skills! Can you find the missing number hidden within this vibrant mix ...

You can find out for yourself today. Polygon can exclusively reveal that Never Stop Blowing Up, the homebrewed version of ...

While this brain teaser may appear to be a simple series of equations, the solution lies in figuring out the relationship ...

But then there's 83-year-old Helene Wendling who just revealed the 60 thousand-piece puzzle she put together over a year and ...