So far, nobody has been able to figure out who's behind it, and what its purpose might be, but five days later, it got even more ...

Cold War-Era Number Broadcast Reappears in Iran Conflict U.S. employs shortwave radio to contact Iranian spies amid communication blackouts ...

The Feds have put out a warning to local law enforcement agencies of possible terrorist attacks here in the U.S. by “sleeper ...

Shortwave radio listeners around the world have reported hearing mystery broadcasts in Persian on a new 'numbers station' ...

Sleeper cells are spies or terrorists who operate in rival countries and remain inactive until they’re ordered to act.

US intelligence may use short-wave radio in Farsi to communicate with agents in Iran amid rising tensions. Reports say ...

The strikes on the Iranian regime have Americans on high alert about public safety and potential sleeper cell attacks.

Sleeper cells are spies or terrorists who operate in the U.S. and Western countries and remain inactive until they’re ordered to act. Last year, experts who spoke with NewsNation warned that if the ...

With U.S. and Israeli forces continuing offensive strikes on Iran, federal counterterrorism authorites are warning that the ...

The broadcasts on short-wave radio from somewhere in Europe appear to be coded messages in Farsi to agents on the ground, echoing the Cold War.

The mysterious Persian-language transmission began about 12 hours after the start of the US-Israeli bombing campaign against Iran. It was jammed five days later. Is it a coded message for US agents in ...

For more than a week after the United States and Israel’s initial attack on Iran, oil prices stayed relatively calm—even as bombs rained down in the Middle East and the war expanded to neighboring ...