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

Snowflakes provide many of us with our earliest impressions of what it means to be unique. Even within a group—the flakes so ...

and it is generally not possible to explain why even simple crystals develop their characteristic shapes. A case in point is the snow crystal, which grows into a puzzling variety of unusual ...

YESTERDAY was very favourable for observing the beautiful appearance of sunlight reflected from snow crystals. As one walked across a field, stars appeared to start forth by thousands from amongst ...

The largest snow crystal ever measured was 10 millimetres across, discovered by Kenneth Libbrecht, who photographed the record-breaker in Ontario, Canada, in December 2003. Libbrecht is a ...

but these are freshly fallen snowflakes, or snow crystals, resting on wool. They are around 1 millimeter in size and were captured using a simple, cheap photography technique. When the snow starts ...

Snow crystals are then created ... temperatures result in lower moisture levels in the atmosphere. For some background, cold air sinks while warm air rises. If there is not enough lift, snow ...