Hotter and drier conditions could whittle away 80% of land where whitebark pine grows by the middle of this century, ...

Meet Carl Cocchiarella, Colorado’s least-successful elk hunter. After four decades of near misses, he’s learned that killing ...

Even in the stone ages, our ancestors realized that anything containing sugar could be reliably transformed through ...

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive ...