The idea that a hidden fourth dimension could be woven into everyday reality is no longer just a science‑fiction trope.

Large language models such as ChatGPT come with filters to keep certain info from getting out. A new mathematical argument ...

GCHQ’s chief puzzler, known only as Colin, added: "This year's Christmas challenge features seven puzzles designed to test everything from codebreaking and mathematical analysis to lateral thinking ...

The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...

A simple brain teaser is causing a stir online. The puzzle asks for the total number of people based on men, wives, and ...

They come as part of Christmas cards with three different designs, created by children in a competition with thousands of schools. If the puzzles look too impossible, there are hints available from ...

Undergraduate students across North America sat down on Saturday to write a grueling six-hour math exam, many of them ...

Undergraduate students across North America sat down to write a gruelling six-hour math exam, many of them unlikely to solve a single problem.

This simple-looking equation is dividing people online. Can you recall the golden rule from math class to find the right ...

CHADRON, Neb. (AP) — When Steven Haataja came to this remote corner of Nebraska, where cowboy hats are still worn for work and rodeo trophies greet visitors to the local college, it was supposed to be ...

Flex your math muscles with this weekend’s brain teaser. Play now.

Behind the screens, finance pros sharpen their edge through games and puzzles that test intuition, discipline and strategic ...