Open-source intelligence has been a key tool for decades, going back to the CIA scouring Soviet phone books to track down ...

It was discovered last year that location data for US military and intelligence personnel serving overseas was being sold ...

The agent approached Zhao in a stock trading chat group on the Chinese-owned social media network WeChat, CBS News learned in ...

Trump has refused to rule out using military force to acquire the Arctic island, arguing that controlling Greenland is a ...

Three defense contractors and one U.S. military service member were killed in a plane crash in the Province of Maguindanao del Sur, Philippines.