A new study finds flaws in the policies governing how officers use wearable cameras
The leak of Democrats’ e-mails raises unprecedented fears of meddling in the election
The game app’s pocket monsters may be taking over the world—but they’re not quite part of it yet, a tech pioneer insists
Amid a federal investigation, ignorance of the technology’s limitations comes into focus
The enhanced ultrafast camera is three billion times faster than the one on an iPhone, the researchers say
Autonomous vehicles may put people in life-or-death situations. Will the outcomes be decided by ethics or data?
The social network is ramping up artificial intelligence to teach machines to figure out what users want—without human help
An expert answers questions about what could happen at the cellular level after a report links radio-frequency signals to tumors in rats
Engineering students in the mechatronics class at The Cooper Union in Manhattan have a unique final exam—they build sumo robots that fight one another for supremacy.
Winning this mechanized shoving match takes the right mix of might and agility—or at least a robot that works when switched on
A new type of micro aerial vehicle saves precious power by perching on leaves or walls instead of hovering
Competitors are racing to answer Elon Musk’s call to create a capsule that can carry commuters at the speed of sound. M.I.T. unveiled its entry on Friday
Automated surgical systems still need hand-holding, but one system holds its own against humans
The lack of security built into phone networks leaves callers vulnerable to snooping, but the growth of encrypted communications will help protect privacy
The social media giant is introducing chatbots to help advertisers reach Messenger’s 900 million users
A U.S. Coast Guard cutter for the first time used unmanned aircraft to help it navigate the frozen continent’s icy inlet during a crucial summertime mission
Autonomous vehicles could meet current safety standards, but only if they include standard features found in traditional models
DARPA’s new “Improv” program encourages hackers to weaponize common gadgets to help anticipate the next big threats
A debate in New York City tries to settle the question
Smart Bat sensor captures swing data and reenacts the motion on a smartphone app. Larry Greenemeier reports.