What to know before the extreme cold settles in.

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that sounds like a gunshot. That eerie noise has fueled a viral claim that trees ...

Experts say trees do not explode but can crack loudly due to rapid temperature changes. This phenomenon, known as "frost cracking," occurs when tree sap freezes and expands. Young trees, thin-barked ...

Trees don't explode in cold temperatures, but they can develop a frost crack, or vertical fissure in the tree trunk.

No Minnesota - our trees are not "exploding" despite what you may have seen on social media. WCCO-TV Chief Meteorologist Chris Shaffer took some time Thursday morning to explain what actually happens, ...