Every winter storm drops billions of ice crystals, each one shaped by a unique path through shifting temperatures and ...

Just as snow crystals form in the upper atmosphere, then fall to lower, warmer elevations and melt, scientists believe a phenomenon called iron snow happens in the molten iron cores of some planetary ...

Add Yahoo as a preferred source to see more of our stories on Google. Some parts of the U.S. see well over 100 inches (2.5 meters) of snow per year. Edoardo Frola/Moment Open via Getty Images The ...

Imagine you’re floating at the top of a cloud and you’re made of a dust particle. It’s 5 degrees Fahrenheit. Water vapor freezes onto you, making an icy, three-dimensional prism. It has six flat sides ...

Part of the answer depends on what you mean by the word "snowflake." The other part of that answer depends on who you ask. If you consult the Guinness World Record keepers, they say that the "largest ...

After getting slammed with nearly two feet of snow and frigid weather, and with meteorologists tracking another potential storm that could strike Massachusetts this weekend, it's no wonder Bay State ...

Crystals—from sugar and table salt to snowflakes and diamonds—don't always grow in a straightforward way. New York University researchers have captured this journey from amorphous blob to orderly ...