Snowflakes form when supercooled water vapor freezes around particles in clouds. Temperature and humidity dictate snowflake shape; needles form around -5 to -10°C. No two snowflakes are alike due to ...

MINNEAPOLIS — This week, more than a foot of snow fell on this city. When snow falls, it covers everything in white. It feels, then, like everything is blank, like all of the detail of the landscape ...

Atmospheric conditions affect how snow crystals form and what happens to them as they fall to the ground. Snow may fall as symmetrical, six-sided snowflakes, or it may fall as larger clumps of flakes.

They say that no two snowflakes are the same. That may be true, but snowflakes share some striking similarities. Take a look at these snowflakes: See a pattern? It may not be immediately clear, but ...