FireChat can link Android and Apple phones into a long-range communications network even when the cell network is down.
Researchers are trying to program self-driving cars to make split-second decisions that raise real ethical questions.
To get its drone delivery service off the ground, Amazon must convince regulators to adopt its ideas for drone traffic control.
Researchers built a mobile health app that tracks your activity and eating habits so it can nudge you with goals that fit your routine.
The first iPhone apps that block online ads could speed up your Web browsing, cut your data bills, and extend your battery life.
Google Glass, no longer available to consumers, is gaining fans in the workplace.
The successful launch of a 3-D-printed drone from a ship shows a possible route to cheaper autonomous aircraft.
Rex Computing’s 19-year-old founder has a plan to dramatically cut the energy used by powerful computers.
Several companies are developing appealing robot companions, but they aren’t yet capable of helping out around the house.
An eyewear and vision-insurance company is building activity-tracking glasses that look a lot like regular specs.