A note from Robert asks what hoar frost is. True frost, also known as hoar frost, occurs when a thin layer of moist air near the ground cools to below freezing and immediately forms ice crystals ...

Much like a great poem, American landscapes transform into a scene of brilliant frozen, crystallized dew since the trees and grass are dipped in patterns of ice, until the sun starts to rise. While we ...

The word 'hoar' comes from what's called old 'high' German...and it means either gray or magnificent. One reference compares it to an old man's stately beard. Hoar frost crystals are 'gray' or 'silver ...

Weather watchers, photographers and the just plain curious were abuzz Tuesday over unusual frost formations that left much of the Boulder landscape looking like the set for “Frozen.” Local weather ...

Clear nights and plunging temperatures can deposit a thick frost by daybreak. However, the dreaded morning ritual of scraping the frost from your car windscreen can be a pleasant surprise on some ...

We are entering the time of year when de-frosting your car's windshields will become part of the routine. There has already been several frosty and freezing mornings so far this fall. This post will ...

Gazing down at Potter Marsh in Anchorage, Alaska last week, you might have confused it for a field of flowers or massive collection of bird feathers. But, in reality, the marsh was covered by a dense ...

Trees and bushes around the Greater Grand Forks region have been covered in hoar frost this week, making for some beautiful scenery. We asked Herald readers to submit their own photos to share on our ...

Boulder, Colo., woke up to a winter wonderland on Tuesday, though it hadn’t snowed. Instead, prickly ice needles, meteorologically known as hoar frost, coated trees and fences. Hoar frost can only ...

Trees, fences, and bushes sparkle in winter’s icy magic, but are you looking at rime ice or hoar frost? Learn the difference ...

Dear Science Mine: What is hoar frost, and how does it form? — Kris Douglass, Butte White frost or hoar frost is an amazing weather event that occurs in the cooler months of the year. Around Butte we ...