Israel has released some details on the death in prison of Australian-Israeli Mossad agent Ben Zygier in a secret prison in 2010. But many questions remain unanswered.
Science writer Surendra Verma looks back at the 'Tunguska event,' a mysterious occurrence in Siberia in 1908 which, like the 2013 meteorite, caused injuries and damage when the sky exploded.
Ahead of crucial 'P5+1' talks on Iran's nuclear program in Kazakhstan Feb. 26, President Obama needs to show willingness to meet Iranian concessions with some of his own. But Congress is in no mood to ease sanctions. Obama, however, can go around Congress.
A focus of American resources on Asia was a major priority when Hillary Rodham Clinton was secretary of State. But it is unclear if John Kerry will follow her approach exactly, many regional analysts say.
A US policy shift toward Asia means a greater role for the Navy. Even pre-'pivot to Asia,' it already stationed half its ships in the region, and it is developing a new 'afloat forward staging base' in the Pacific.