It is one of the world's most famous unsolved codes whose answer could sell for a fortune—but two US friends say they have ...

The puzzle’s designer, James Sanborn, has urged the solution’s buyer not to reveal it, but to keep it safe until the Smithsonian releases its own copy.

President Donald Trump has signed off on covert CIA measures inside Venezuela as well as preparations for a possible "broader ...

A declassified CIA report about an alleged UFO attack on Soviet soldiers in the dying days of the USSR has gone viral after being posted to the agency’s website. The document is a single-page summary ...

It is unclear if the Venezuelan government was telling the truth—but the CIA has a long history of clandestine operations in Latin America. The Venezuelan government alleged this week that it had ...

WASHINGTON - In 1974, far out in the Pacific, a U.S. ship pretending to be a deep-sea mining vessel fished a sunken Soviet nuclear-armed submarine out of the ocean depths, took what it could of the ...