Social media posts warned of "exploding trees" when temperatures drop to 20 degrees below zero.

A viral claim suggested trees can explode in the Arctic cold. That's not entirely true, though they do crack under the pressure.

While the weight of freezing rain, ice and snow can damage branches, there is another kind of injury that comes with the extreme cold, experts say.

As a brutal winter storm takes shape, there are some eye-popping claims getting attention about the risk of "exploding trees." Here's what you need to know.