Ralf Stegner, a member of Germany's Social Democratic Party, called Trump's comments "delusional and truly insane." Poland has backed Trump's demand.

Europe’s generous welfare states are coming under increasing strain as weak economic growth collides with rising demands on government budgets, particularly from aging populations.

China's growing threat may leave the US military less focused on defending its NATO allies in Europe. But a new study argues how the US can do both.

A new NATO-led air defense mission in Poland sprang into action this week by scrambling F-35 jets in response to a potential Russian drone incursion.

NATO Secretary General Mark Rutte told members of the security alliance to boost defense spending or prepare to learn Russian. Speaking at the European Parliament in Strasbourg, France, Monday Rutte told European lawmakers that they have to urgently rethink spending priorities to ensure their security.

Vladimir Putin is capable of launching "mass casualty" attacks against NATO members, a Russian military expert has warned.

Listening to the confirmation hearings of U.S. President-elect Donald Trump's various appointees in Congress this week, it's becoming clear there is no meaningful grand plan from Trump to end the war in Ukraine quickly.

Just days out from the return of Donald Trump to the White House, the future of Russia’s war against Ukraine is dominated by a great unknown: whether the incoming president will manage to push Moscow to stop its advance on the battlefield,

The US has deployed B61-12 bombs in Europe under NATO's program, enhancing deterrence amid rising tensions with Russia.- Watch Video on English Oneindia

NATO chief Mark Rutte said on Monday the alliance's military capability targets may require members to spend as much as 3.7% of GDP on defence but this figure could be reduced with innovation and joint procurement.

NATO's air command said on Thursday. It was the first time Norway's F-35s had been used in Polish airspace after they were sent there last December.

Hundreds of Swedish troops have arrived in Latvia to join a Canadian-led multinational brigade along NATO's eastern flank.