A retired park ranger "battled" an invasive shrub taking over tributaries of the Colorado River. Now, 85 miles of the Escalante River have been restored.

Love fruit trees but don't have a backyard or garden space? No problem! You can grow these indoor fruit trees right in your ...

CONDOS: It is an imported ornamental tree called the Russian olive that's become a destructive invader of ecosystems in the southwest. WOLVERTON: It was just a tunnel. Literally, a closed canopy.

Plant parent or not, you'll olive this cute little "corner-filling" tree — especially for nearly half its price at Walmart.

A recent study has unveiled the genetic blueprint behind flowering time in olive trees, a crucial trait for fruit production ...