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

Snowflakes vary by size and shape but exactly how many different patterns are there and what weather features influence their appearance?

the late-nineteenth- and early-twentieth-century microphotographic innovator and bona-fide snowflake obsessive, contemplating the dazzling panoply of kaleidoscopic snow-crystal formations was a ...

These snowflakes form when the temperature is 5 degrees or below and the humidity is medium to high. They look like plate-like snow crystals with six branches — not unlike the classic paper ...