GCHQ, Britain’s electronic and cyber-intelligence agency, on Wednesday published its annual Christmas Challenge – a seasonal ...

The challenges require codebreaking, math, lateral thinking, and a bit of ingenuity to reveal the name of a famous UK ...

Picture puzzles IQ tests are excellent tools for testing a reader's critical thinking and problem-solving skills. These ...

Zoe Daniel, the Teal MP for the southeast Melbourne seat of Goldstein, has made a name for herself as a serial blocker on ...

The annual brainteaser aims to tickle the neurons of those hoping to work in intelligence, and comes in the form of a ...

The writing strikes a really nice balance between its serious moments and the more slapstick comedic ones, with Indy’s unwanted sidekick keeping him on his toes and the unexpected reactions of NPCs as ...

But it’s still there – a house that looks like it’s been plucked straight out of a Van Gogh painting and plopped down in the ...

Colin, GCHQ’s chief puzzler, released a quote with a secret message hidden within it. He said: “We are delighted to be ...

To solve it, you should know that the “first” in the first line refers to the first syllable of the answer, while the “second ...

Featuring everything from eggnog to uranium oxide, these 12 brain-twisting conundrums will get you in the festive spirit and ...

Providing a fun and refreshing alternative method of learning and reviewing neuroanatomical structures, this engaging book is perfect for those who love both neuroanatomy and riddles. 150 four-line ...

With the darkness comes mystery - and is there anything more exciting than figuring out a seemingly unsolvable riddle? If you are looking for some stories to puzzle over, this month's RTÉjr Book ...