Add Yahoo as a preferred source to see more of our stories on Google. A new DNA method lets scientists measure plant roots underground, opening doors for climate research and smarter farming.

A plant’s future gets decided in a moment most people rush through. That moment happens when roots meet soil, when depth either sets the stage for strong growth or quietly sabotages everything that ...

You walk through a field of wheat, ryegrass, or clover and notice the sway of stems and leaves. What you cannot see is where most of the action happens. Beneath the soil surface, roots spread, compete ...