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

Learn the science behind "exploding trees," why extreme cold causes frost cracks and which species are most at risk.

Here's what you need to know to stay safe.

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. On a hillside in Utah’s Fishlake National Forest is a tree, and if you listen very ...