Britain is hosting a summit of European leaders on Sunday to shore up support for Ukrainian President Volodymyr Zelenskyy ...

"Are the Europeans willing to stand up for themselves, for their principles, for their values, and for fellow Europeans? And ...

Europe would be "very vulnerable" without U.S. support, said Ed Arnold, a senior research fellow at Britain's Royal United Services Institute defense think tank.

The B-52 and accompanying fighter aircraft flew within just 30 miles (50 kilometers) of the Russian border, and just 10 miles of the Belarusian border.

President Trump has called on NATO allies to increase their defense spending to 5 percent, with only three countries ...

A contingent of U.S. Marines has deployed to coastal Finland to assist a NATO operation aimed at tracking down potential ...

Poland once again launched air defenses after Russia fired long-range strikes across Ukraine, hitting near the shared border with Poland just hours after leaders met in Kyiv to pledge more support.

Estonia and Lithuania haven’t forgotten how they suffered during their forced membership in the Soviet Union. Ever since his ...

Karus identified two defining elements of the war: military economy and innovation. Over the past three years, he noted, ...

Ukraine on Monday marked the bleakest anniversary yet of its war against the Russia invasion, with the country’s forces under severe pressure on the battlefield and U.S. President Donald Trump’s ...