Herbicide-resistant weeds are a growing threat to crops globally, and farmers may soon need some alternatives. Enter: tiny, lightweight robots that plough the soil, unseating weed seeds before they ...

Kenny Lee, CEO of Aigen with his low-energy robot. Worldwide, weeding is a big business. In general, it's back-breaking labor – not the kind of thing that it's particularly easy for humans to do. In ...

In a sugar beet field a few miles east of Moorhead, small four-wheeled robots are rolling up and down the rows of beets. Powered by a solar panel, the robots use cameras to spot weeds and then guide ...