NASA’s Phoenix Mars Lander has touched Martian soil with a fork-like probe for the first time and begun using a microscope that examines shapes of tiny particles by touching them. Phoenix’s robotic ...

Knowing, understanding, and controlling your soil’s pH are all crucial to having a successful garden. The tool to help you with all three is a soil test kit. The best soil test kit provides you with a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.

Peter Richards tests the reliability of do-it-yourself home soil test kits. This week on The Family Plot: Gardening in the Mid-South, local gardener Peter Richards demonstrates how to use different ...