Every once in a while, a film will trick you into believing you have everything worked out. With popcorn ready, you settle in, thinking you understand the plot.

Many of the best robot vacuums for pet hair are on sale for October Prime Day, including our best overall pick, the iRobot Roomba j7+. For more deals, check out our roundup of the best October Prime ...

You don't need a lot of time, money or knowledge to put your money to work for you in the stock market: Robo-advisors use data and algorithms to automatically invest on your behalf, based on your ...