Spacecraft could determine their position anywhere in the solar system to within five kilometres using signals from x-ray pulsars, say astronomers.
Pinpoint predictions are a long way off, but taking daily odds into account might help make the public more alert.
Jolla Mobile, formed by Nokia refugees, launches a phone with interchangable back panels and the Sailfish OS.
The ability to copy electronic code makes one-time pads vulnerable to hackers. Now engineers have found a way round this to create a system of cryptography that is invulnerable to electronic attack.
Aereo CEO says he's boosted by winning a round in court---and that "lines are very, very long" for his Internet TV offering, despite ABC's new competing streaming service.
The world's first quantum memory that stores the shape and structure of single photons has been built in a Chinese lab
The same researchers previously mapped racist Tweets about President Obama. In both cases there's reason to be a little skeptical.
In new study, Facebook's science team says the company killed automatic sharing on "Offers" because the science said active sharing works better.
A quantum internet capable of sending perfectly secure messages has been running at Los Alamos National Labs for the last two and a half years, say researchers
Stock plunge another reminder of social media's power -- and the need for fact-checking