LOS ANGELES -- With a single behemoth purchase, Comcast is creating a dominant force in American entertainment and presenting federal regulators with an equally outsized quandary: How should they handle a conglomerate that promises to improve cable TV and Internet service to millions of homes ...

At the international airport in Sochi, Russia, the entry point for thousands of athletes, spectators and world leaders bound for the 2014 Winter Olympics, a state-of-the-art security system made by a Silicon Valley company is keeping watch.Artec Group, a 3-D camera tech company founded in the ...

BALTIMORE -- Inside a drab computer lab at Johns Hopkins University, a team of researchers is trying to build something that has never existed before: a digital currency that changes hands completely in secret. Its name is Zerocoin.The untraceable currency is designed to compete with other ...

NEW YORK -- It has been 10 years since a Harvard sophomore named Mark Zuckerberg created a website called Thefacebook.com to let his classmates find their friends online.They did. And in the decade since, so have more than a billion people, not just American college students but also farmers in ...

Charter's bid to buy Time Warner Cable comes at a time of sharp and rising competition in the broadband Internet and pay-TV business. For the consumer, that promises faster and faster Internet speeds and more and more high-definition channels.It means further advances toward "TV everywhere," ...

NEW YORK -- Look around. Many of the gadgets you see drew inspiration from the original Mac computer.Computers at the time typically required people to type in commands. Once the Mac came out 30 years ago Friday, people could instead navigate with a graphical user interface. Available options ...