A $2 billion particle detector, newly installed on the International Space Station, begins its search for antimatter, dark matter, quarks, and more.

The FBI wants DNA from Ted Kaczynski for a 30-year-old unsolved case. The 'Unabomber' argues that his belongings, currently on sale, could exonerate him in the Tylenol case.

Congressional appropriators voiced doubts about some aspects of Obama's speech. But the most pointed criticism was from the GOP. 'Obama has thrown Israel under the bus,' Mitt Romney said.

AP - Exasperated by stalled Middle East peace talks in a season of tumultuous change, President Barack Obama jolted close ally Israel Thursday by embracing the Palestinians' terms for drawing the borders of their new nation next door. Prime Minister Benjamin Netanyahu of Israel rejected the idea as "indefensible" on the eve of his vital White House meeting with Obama.

AP - Over the objections of prosecutors, a judge agreed Thursday to free former IMF chief Dominique Strauss-Kahn from jail on $1 million bail on the condition he be confined to a New York apartment under armed guard while he awaits trial on attempted-rape charges.

AP - The president of Tokyo Electric Power Co. says he will step down after the utility reported massive losses related to its nuclear power plant damaged by the March tsunami in northeastern Japan.