To help gardeners determine how much—and how often—to water, we tested some of the top soil moisture meters on the market. Find out which ones scored the highest in our hands-on tests.

With only 7.5% of Earth's surface covered in fertile, agricultural soil, it's critically important to maintain the soil to grow food, filter water, and regulate the climate.

A longtime team mentor writes that the Tribune's articles reporting on the Lee family and whistleblower talks of Jackson robotics do not acknowledge the work students put in, and do not reflect the ...