For newcomers, Wordle, hosted by The New York Times, tasks players with guessing a five-letter word in just six tries. Here’s ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

NYT Strands challenges players to connect letters on a 6x8 grid to uncover themed words and a “spangram” that links them all, ...

Pollution-related deaths numbered 1.67 million in 2019, according to a new report led by Boston College researchers. Economic losses were in the billions. Pollution takes many forms in India, ...