Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been normal.

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

If there's one section of my kitchen that I get most overwhelmed trying to keep tidy, it's my butler's pantry. I know, this bit of extra space in my kitchen is a luxury that should only elicit ...