Recent Iranian terrorism plots in the United Kingdom underline the high risk of attacks that would complicate Trump's pursuit of a nuclear deal.

"We just need to work through the practical consequences," U.S. ambassador to NATO, Matthew Whitaker, said earlier this week.

A Russian vessel under international sanctions made "suspicious" maneuvers near a key undersea power cable connecting Poland and Sweden before being forced to retreat following a military intervention ...

It's time to stop treating the Polisarios with tolerance and instead call them what they are: terrorists who threaten ...

"It's a generational investment in the security of America and Americans," Defense Secretary Pete Hegseth said.

China has issued a warning to the United States about its Golden Dome missile defence shield, urging President Donald Trump ...

After a joint investigation with allies including the US, Germany and France, the UK's National Cyber Security Centre (NCSC) ...

The United States and its European allies do not understand the more imminent and dangerous threat posed by Russia.

Six Ukrainian troops were killed and at least 10 injured in a Russian missile strike as they practised at a firing range in ...

Ukraine has a sizable minority of Russian speakers, largely in the east. They also overwhelmingly blame Russia for hostilities.

Britain and allies including the United States issued an advisory on Wednesday warning of a Russian state-sponsored cyber ...

The NCSC and its partner agencies have blown the whistle on an extensive campaign of malicious cyber attacks orchestrated by ...