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For the 1 percent of users who woke up to a different Twitter experience Wednesday morning, it was probably the biggest change they have ever seen to the real time information service. Twitter has approximately 160 million users and there…

NEW ORLEANS | AP photographer Gerald Herbert has been documenting the BP oil disaster in the Gulf -- from the land, sea and air -- since the Deepwater Horizon rig exploded on April 20. In the three months since…

In its long-awaited internal report on this summer's Deepwater Horizon oil spill, BP blamed contractors Halliburton and Transocean for many of the problems leading up to the country's worst-ever oil spill -- igniting anger from the companies blamed. No…