The best streaming devices are speedy and intuitive. Here are our favorite models, including compact streaming sticks and powerful set-top boxes.

The Supreme Court just handed Trump a rare — and very significant — loss America’s food market is rigged. Look who’s getting ...

Robot vacuums have surged from a few trusted brands to a crowded field of manufacturers racing to outdo each other with new features.

Microsoft has acquired an artificial-intelligence startup, Semantic Machines, to bolster its efforts in "conversational AI" and potentially make its Cortana virtual assistant better at understanding ...

Siri promises a lot, then trips over the basics. From web searches to texts, calls, and music, here’s what goes wrong and ...