When it comes to snow flakes, you may have heard that no two snow flakes are alike. In nature that especially true. But how can that be when billions of flakes ...

A new proof reveals the answer to the decades-old “moving sofa” problem. It highlights how even the simplest optimization problems can have counterintuitive answers.

The border and edging of a paver patio are crucial parts of the design. You don't want to skip them just to save time and money on the initial construction.

All the latest football news including Arne Slot and David Moyes news conferences, Phil McNulty's Q&A plus build-up to the Champions League play-offs.