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

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 ...

Travelers celebrated the suggestion that American airports might soon ease restrictions on liquids in carry-on bags that create endless hassles at security checkpoints, but more than a third of all ...