Multiple sources told The Post that US intelligence agencies internally concluded Moscow was responsible for the attacks ...

The CIA's investigation into Anomalous Health Incidents (AHI), known as Havana Syndrome, was mishandled, a former CIA officer ...

Undercover US agents obtained a mysterious Russian weapon that could finally explain a baffling cluster of brain injuries suffered by American diplomats, spies, and military officers for nearly a ...

Drawing on more than 100 interviews with senior intelligence officials and other insiders in multiple countries, this exclusive account details how the US and Britain uncovered Vladimir Putin’s plans ...

US intelligence agencies have found no evidence to support Russia’s claim that Ukraine tried to assassinate President Vladimir Putin in a recent drone operation, according to The Wall Street Journal ...

Russia is reportedly sharing intelligence on US military assets in the Middle East with Iran, potentially aiding Tehran's targeting of American forces. This alleged assistance, detailed by officials, ...

The Justice Department has issued new subpoenas in an investigation into perceived adversaries of President Donald Trump and ...

European countries should prepare to face more threats to their energy infrastructure from Russia and Russia-aligned hackers, a former CIA analyst warned in a report first shared with Semafor.

Aldrich Ames, a longtime Central Intelligence Agency (CIA) case officer who betrayed U.S. intelligence by spying for the Soviet Union and later Russia, died at the age of 84. The Bureau of Prisons ...