While Facebook executives talk to the country's top investors about its 900 million users and its powerful global reach, analysts say they need to explain how they're going to fix one glaring problem -- mobile.

American Express will allow its credit cards to use the Isis Mobile Wallet once the technology is deployed in Salt Lake City and Austin this summer, Isis announced Thursday.

While battery capacities in smartphones has increased, 4G LTE networks are taking their toll on battery life for Web browsing and video streaming, according to a new analysis by Metrico Wireless.

AT&T plans to begin trials of a home automation and security service in Atlanta and Dallas this summer.

Android malware being automatically distributed from hacked websites looks like it's being used to mask online purchases, and could be part of a fraud gang's new push into mobile, researchers said today.

Mobile users are more connected to the Internet than ever. As of December 2011, ComScore estimated that there are 97.9 million smartphone users in the US - nearly a third of the total population.

Apple surprised the tech world by unveiling a developer preview of OS X Mountain Lion, the next generation of its desktop operating system set to ship this summer - just a year after OS X 10.7 Lion arrived.

When it comes to the bevy of new tablet computers coming to market, a tablet maker's brand will take on more significance than ever.