Gold leaf illuminates Amy Rattner's portraits of local wildlife in her ‘Simplicity & Elegance in Nature’ show at Los Altos' Viewpoints Gallery.

Vessels in a tree’s xylem transport water from the roots to the rest of the plant. Hardwood tree species tend to have large ...

The destruction of tropical rainforests — seen in shocking images of huge wildfires, vast clearcuts, and dying ...

Yellow leaves on your hibiscus are often a sign of trouble, but these tips will help you solve the problem fast.