This rainforest tree solved one of evolution’s hardest problems. Here’s how it evolved to use tension and geometry to fire ...

North America’s ancient bald cypress forests have told scientists about history’s legendary droughts and wet periods. Now they’re warning us about the future. Drone footage of the Ghost Forest. On a ...

The hollowed-out trunk of the ancient yellow cedar felt like a cocoon with its soft floor of bark strips. A mother bear had molded this bed when she came each year to hibernate and to birth her cubs ...