Snowflakes are like letters from the sky, each crystal a note describing the atmosphere as it falls to the ground. They float effortlessly, but their creation is one of nature’s most complicated ...

While no two snowflakes are identical, temperatures determine their differences. The shape is based on how much moisture is ...

That shape changes even further as they fall through the air. As each snowflake falls, it encounters water vapour in the atmosphere. This has a big effect on its shape. If humidity is low ...

Our understanding of the molecular dynamics of growing crystals is quite primitive, and it is generally not possible to explain why even simple crystals develop their characteristic shapes. A case in ...

Today wasn’t our only chance of snow this week, but what does look to take shape are more borderline storms of the wintry mix variety and not a classic snow storm. The next chance comes on ...