In 1946, the mathematician Paul Erdős posed the unit distance problem—and suggested a winning strategy. An A.I. model has now ...

Each day we make choices in our lives that affect the environment, the climate, and other species. From what we eat to how many children we decide to have, there’s a lot we can do to “choose wild” and ...

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...