WSJ's Joanna Stern and Geoffrey A. Fowler meet Pepper, a robot that understands and expresses humanlike emotion. TOKYO—Japan’s humanoid robots are struggling to find homes.

Elektro didn’t come to fruition, but we’re nearly at the point where the future finally arrives. Earlier this year, Beijing ...

Major League Baseball is experimenting with robot umpires to make games more interesting, but when it comes to sporty shenanigans, Internet League Blaseball has got you more than covered. After going ...