Frost cracks appear as vertical splits in the trunk of a tree and are the result of plant tissue expansion and contraction.

A viral social media post shared thousands of times warned of an “exploding tree risk." But experts say the dramatic imagery ...

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 ...