Bitterly cold arctic air has blanketed parts of the United States over the last week, with some areas getting snow and subzero temperatures. Along with the cold weather comes a natural event called ...

Social media posts warning of "exploding trees" in subzero temperatures are mischaracterizing a phenomenon known as frost cracks. Frost cracks form when water inside trees freezes and expands. As a ...

Across parts of the world, winter has settled in hard. Sub-zero temperatures, sudden freezes, and heavy snow are affecting many regions, and with them an unexpected side effect: sharp cracking sounds ...