Ukrainian authorities on Saturday carried out actions against "traitors" President Volodymyr Zelensky said in his daily ...

In the early 1950s, the United States faced a critical intelligence challenge in its burgeoning competition with the Soviet ...

The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia ...

Over 12,000 North Korean troops are estimated to be fighting against Ukrainian forces in Russia’s Kursk region, the United ...

I can only confirm that Russia planned acts of air terror, not just against Poland but against airlines across the globe,” ...

President-elect Donald Trump has nominated a remarkably unqualified person, Tulsi Gabbard, to be the director of National ...

Mysterious drone incursions spark espionage fears, as Germany points to Russia and strengthens drone defense measures.

Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not ...

President Joe Biden's foreign policy legacy includes the American withdrawal from Afghanistan, support for Ukraine, and the ...

Trove of newly declassified files detail investigations into some of the country’s most notorious double agents, the ‘Ring of ...

About 300 North Korean troops have been killed and 2,700 others injured while fighting for Russia against Ukrainian forces, ...

Pete Hegseth wants to name military bases after men who loved slavery so much they went to war with the United States.