The talk at an annual building conference in Boston is about how to reduce energy use in houses by more than 50 percent, which early pilots show can be done but with steep costs.

A father who was allegedly upset that a couple defriended his daughter on Facebook stands accused of murdering the couple.

CNN political analyst belittled men wearing pink and the near-naked H&M David Beckham ad via Twitter during the Super Bowl--tweets that some critics say were anti-gay and violent.

Free service called Drive will allow users to upload and retrieve photos, documents, and videos, sources tell The Wall Street Journal.

New smartphone technology called Mobilyze is being developed to make personal mood assessments and help people stave off depression.

Does a 2010 e-mail from Path's CEO show how the company betrayed users' trust?

With Mobile World Congress just three weeks away, rumors and speculation continues to mount as to what we'll see at the show. CNET rounds up all the tidbits for you.

It remains to be seen whether Vonage can make much traction against Skype's installed base, but the opportunities abroad are huge.