After blocking access to Twitter on Sunday for about 12 hours because of "blasphemous" material, Pakistan officials said the service was resumed resumed...

Pakistan blocked Twitter on Sunday because of messages they say are offensive to Islam. The tweets were promoting a competition on Facebook to post images...

Starting today, Twitter will be delivering a weekly email digest to users, featuring the most relevant Tweets and stories shared by the people they're connected...

Twitter is trying to figure out how user names and passwords from thousands of accounts leaked an were postde online. Information posted on Pastebin.com pages...

The time spent accessing social networks via smartphones was increased in March according to comScore, underscoring the significant role of mobile in social networking. comScore...

Twitter says that patents should not be used to impede the innovation of others and announced the implementation of the "Innovator's Patent Agreement" or IPA...

Twitter has filed a lawsuit against "five of the most aggressive tool providers and spammers" in a federal court in San Francisco, in an effort...

Twitter has acquired Posterous, a startup that builds products that makes sharing across the web and mobile devices simple. Posterous engineers, product managers and others...

Twitter and Russian search engine Yandex have agreed a partnership that will allow Yandex to show new tweets in its search results almost instantly. New...

Twitter has announced an advertising platfrom for small businesses, set to launch at the end of March. Small businesses will be able to buy ads...