The world grappled Sunday with the implications of the United States inserting itself into Israel's war against Iran with an ...

Ukraine’s security service is holding classes at high schools to alert teenagers of Russian efforts to recruit them.

One of Vladimir Putin ’s troops may have eaten his comrade before being killed himself on the frontline in Ukraine, it is ...

The National Intelligence Council, drawing on the acumen of the United States’ 18 intelligence agencies, determined in a secret assessment early this month that the Venezuelan government is not ...

Amid growing friction between the US and many of its European allies, the intelligence community is ominously warning that adversaries like Russia, Iran, North Korea and China are increasingly acti… ...

The National Intelligence Council, drawing on the acumen of the United States’ 18 intelligence agencies, determined in a secret assessment early this month that the Venezuelan government is not ...

The relentless march of artificial intelligence (AI) is not confined to Studio Ghibli memes and automated email responses. It is rapidly becoming a central pillar of national security strategy ...

Denmark is planning to spend over $1.5 billion to protect Greenland. WSJ explains how dogsleds and drones will bolster defenses—and why the U.S. abandoned several military bases there decades ago.

President Donald Trump’s use of a wartime law to send Venezuelan migrants to a brutal prison in El Salvador without due process relies on a claim that U.S. intelligence agencies think is wrong.

A top adviser to Tulsi Gabbard, the U.S. director of national intelligence, acknowledged in a March 24 email that the Venezuelan government may not have specifically directed the activities of a ...