Looking for help with today's New York Times Pips? We'll walk you through today's puzzle and help you match dominoes to tiles ...

Looking for help with today's New York Times Pips? We'll walk you through today's puzzle and help you match dominoes to tiles.

The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.

In April this year, Cheng Li-wun, the chairwoman of Taiwan's largest opposition party the Kuomintang (KMT), traveled to mainland China and met with President Xi Jinping. The visit drew widespread ...

A record-breaking result from Florida's annual python hunt is drawing attention — but for a sobering reason. Even after 294 Burmese pythons were removed in just 10 days, experts say the Everglades ...

Place any number of dots on a two-dimensional plane—say, a piece of paper—and measure the distance between each pair. If you rearrange the dots, how many pairs could be positioned exactly the same ...