Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

Snowflakes form when a drop of extremely cold water freezes on a dust or pollen particle in the sky, creating an ice crystal.

starts to coat a tiny particle such as dust or pollen and begins to freeze. This tiny crystal is called the “seed” for the snowflake that is yet to fall from the sky. The newly formed ice ...

You have full access to this article via your institution. High in the sky a snowflake is born. Nucleated by a microscopic particle, the tiny snowflake begins to grow and — under the force of ...

A light and gentle snow started falling the other day while I was out in the woods. Quickly the tiny flakes started to build a uniform blanket covering the ground. It was a beautiful scene. It was ...