When one thinks about winter, one thinks about snow and cold. They go hand in hand for many reasons, but what is snow, really ...

It turns out those neat little snowflakes we've been drawing forever are kind of a lie-and the real ones are way more interesting. Snowflakes feel familiar. We see them on holiday cards, sweaters, ...

What are snowflakes? Every winter, the world gets a shower of white, delicate crystals from space that turn the ground into a winter wonderland. But how many of us have really thought about how ...