Robot lawn mowers are pricey, but they take all the effort out of perfect lawn care.

You might know Chinese company Roborock from its robot cleaners – mops, vacuums, robot arms that pick up stray shoes – but it has branched out, turning its attention outside the house. The company has ...

Add Yahoo as a preferred source to see more of our stories on Google. For some, mowing the lawn is a leisurely pastime — a nice way to spend a Sunday afternoon. For the rest of us, however, it's a ...