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

Latin dancing, Indian butter and American soldiers are some of the clues for this year's cryptic Christmas challenge set by ...

Challenge includes puzzles meant to engage young people in complex problem-solving. The aim is to inspire interest in STEM ...

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