Joe Birch, Jessica Miesel, and Matthew Dickinson discuss cheatgrass abundance in response to overstory death and prescribed fire.

On trees, eclipses, and the perils of belief

Aspen (Populus tremuloides Michaux) is perhaps the most iconic tree species of the American West. The thin, white bark of aspen has long been a canvas…

MOSCOW—Just days after rebels seized Damascus, deposed Syrian President Bashar al-Assad reportedly returned to practicing ophthalmology at a Moscow LensCrafters, sources confirmed Tuesday. “Which one ...

Warming and more variable climates threaten to upend historical tree ranges, climatic sensitivity, and vigor. In western North America, the species Picea engelmannii var. engelmannii Parry ex Engelma....