Ice crystals covered the branches of a wooded area in London, Kentucky, as bitterly cold weather gripped the area on Tuesday, ...

On cold, sunny days, tiny ice crystals in the atmosphere can create breathtaking displays like halos, sundogs, and light pillars.

With cold air continuing across the Valley into the weekend, you can check out the potential to see more of these in your backyards!

Snow is made of tiny ice crystals that can transform into a variety of intricate symmetrical patterns forming a beautiful ...

Residents of Sakhalin, Russia, recently witnessed a striking celestial phenomenon appearing as two suns. This optical ...

The wintry weekend brought a pseudo-hurricane over Lake Michigan, and skyward pillars of light that aren't really what they ...

After the weekend’s winter storm brought icy conditions to the Dallas-Fort Worth area, you may be wondering what to do if you ...

Cold air allows precipitation to freeze instead of melt, helping snow form, stick and accumulate as winter storms move ...

Hospitals across the country are reporting a surge in cold-related injuries — from slip-and-fall fractures to cardiac events ...

Most trees are dormant through the winter's coldest months.

A rare winter phenomenon was captured on camera during the winter storm Sunday ...

Ground contamination is an additional factor, experts say. Avoiding yellow snow, which may be tainted by urine or tree bark, ...