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

If you don't love today's frigid forecast, here's a reminder that beauty can be found in the harshness of winter.

Image caption, From a single ice crystal, these amazing patterns form according to different weather conditions. Snowflakes are renowned for their uniqueness. No matter how many billions of them ...

The molecules of just about every other substance move closer together when they freeze. In ice, water molecules are arranged in a repeating pattern that gives ice its crystal structure. Even though ...

Fractals in Nature' exhibit opens Saturday BEND, Ore. (KTVZ) -- Nature is alive with a special type of pattern called ...

The clouds, composed of carbon dioxide ice crystals, glow in shades of red, green, and pearlescent hues in the martian ...