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Spies at war

In response to the attacks engineered by Osama bin Laden, the CIA launched a new... read more

How the blowout happened

Three Mile Island, Challenger, Chernobyl and now, Deepwater Horizon. Like those earlier disasters, the destruction... read more

A bolder mission

Apollo astronaut Buzz Aldrin has a modest proposal: scrap plans for a second lunar space... read more

Revolution road

Obama sets stem-cell researchers free! It's an encouraging headline, say researchers, but there's a long... read more

Standing guard

America's missile shield is designed to destroy incoming ballistic warheads with interceptors. PM heads to... read more