Serena Williams’ former coach delivered his verdict on Instagram. “I think he needs some coaching, definitely!” said Mouratoglou. “First of all, I think it’s great, because it’s the first image, ever, ...

Can a robot keep up with Serena Williams? Researchers have taught a humanoid robot to play tennis with humans — and it can hold its own. Chinese AI robotic company Galbot designed software to teach a ...

A GPS-guided robot is making life easier for coaches at Riverside and Irrigon high schools. Since last summer, the two ...