When you hold a lighter or a match to a snowball, the butane, lighter fluid, or wood particles are burning. As they burn, they release soot. Because the snowball is cold, the soot instantly condenses ...

Even with air temperatures below freezing, snow and ice can still melt. Here’s why warm sun, ground heat and humidity matter ...

Fresh snow can look like a blank sheet of paper, so bright it almost hurts to stare at in midday sun. Yet at the microscopic level, those flakes are not white at all, and the color we think we see is ...