The USA's super-secretive spy agency patented more than encryption methods.
StratoBus, a hybrid drone satellite, is expected to carry out missions high above air traffic and jet streams. Continue reading →
Four dry-ice bombs were discovered at the Los Angeles International Airport recently, two of which exploded. How are they made?
A new invisible border monitoring system could radically alter how the U.S. conducts border security.
Despite popular belief, most Americans' lives changed very little after September 11, 2001.