U.S. officials are worried that Al Qaeda has a new liquid explosive technique that can't be detected by current security measures, according to the latest trickle of U.S. official-sourced stories in ...

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Much of the speculation during the last five years over how al-Qaeda might construct a sequel to 9/11 has centered on unconventional weapons: Could Bin Laden’s men acquire a nuclear weapon, or even ...

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CHICAGO -- The sort of liquid explosive that authorities suspect was to be used in the foiled airliner terror plot is easy for anyone with a working knowledge of ...

Last week’s explosion of a New Glenn rocket at Cape Canaveral, Florida, was clearly a setback for Blue Origin and NASA, but ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...