As temperatures drop in Iowa this weekend, curiosity and concern about trees exploding from the cold have grown. Here's what ...

Sudden or severe cold temperature can cause trees to experience "frost crack." NPR's Scott Simon talks with Bill McNee of the ...

The freezing temperatures don't just impact people; the bitter cold can have a major impact on trees. One you can hear.

Video above: This Nexstar Media video provides safety tips for visiting national parks. BIG PINE, Calif. (FOX 5/KUSI) — Hidden high in the White Mountains of eastern California, a gnarled, weathered ...