When snow falls from the sky, you don’t usually see individual ice crystals, but rather clumps of crystals stuck together. One way ice crystals aggregate is through what’s called mechanical ...

You might be wondering if it can ever be too cold to snow. It can be too dry to snow, but it can never be too cold for it to ...

Embryo crystals form by enlargement of one of the normal components of the liquid. This is favoured by reduced molecular motions and a tendency towards more open, hydrogen bonded regions near the ...

Light pillars happen on very cold, clear evenings when tiny ice crystals form in the atmosphere. Some have compared the ...

Rime Ice occurs when ice crystals interlock and form on an object, sometimes fulling encasing it. For rime ice to form, the ...

Clouds form when water vapor – an invisible gas in the atmosphere – sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published ...

Clouds form when water vapor — an invisible gas in the atmosphere — sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published ...

Light pillars appear as vertical lights extending up above a light source, usually city lights this time of year. They can ...