A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

The fungus is the beetles’ food source. The borers have been known to attack 66 different tree species in California, including avocado, cottonwood, sycamore and oak. The beetles leave perfectly round ...

If there is one certainty for all humans it’s that we are drawn to natural elements. Two of the best examples are how we can become transfixed when looking at fire or water. Scientists have studied ...