Many people look at trees to relax, taking in the soothing fractal patterns to adjust their eyes from too many hours spent at ...

Hikers exploring Joseph D. Grant County Park in Santa Clara County stumbled on something they never expected, a large ...

Invasive species such as cats, emerald ash borers, pigs, fire ants and hemlock woolly adelgids are causing changes to National Parks. Rangers say the changes are causing problems to ecosystems, ...