A new method for quantifying grandeur is reshuffling the pecking order of the planet’s most impressive peaks. Turns out ...

To come up with a result as weird as this, you need to be using some equally mind-bending math – and indeed, this paradox comes to us from the world of set theoretic geometry. If that’s not familiar ...

Why build a telescope? YOLO, as the kids say. Having decided that, one must decide what type of far-seer one will construct.