Plus: The top US cyber agency falls into shambles, AI models develop an upsetting penchant for nuclear weapons, and more.

Its roller doesn't extend to mop in corners like the fancier models, but its square shape could help along walls.

Some appliances look like great deals on paper, but testing tells a different story. Here are the models Consumer Reports says to skip.

There's a new player in the robo-vacuum and mop world, and it has a clear different. Depending on how much you spend, quite literally.