When it comes to tackling chores, the best robot vacuums have been a real game-changer in many homes. Not only do they excel at picking up all types of debris, mopping, and scrubbing floors, but even ...

Meet Sparrow, Cardinal and Proteus. They’re the robots that, step by step, are replacing human workers in the company’s warehouses. By Karen Weise Karen Weise reported from Shreveport, La., and has ...