President Donald Trump spoke with Russian President Vladimir Putin directly as his Defense Secretary said NATO membership for Ukraine was unrealistic.

European fears about the U.S. pulling its troops from the continent have been brewing for some time, with the head of the Munich Security Conference, Christoph Heusgen, saying: "The U.S. will likely ...

The credit ratings of Europe's NATO members are likely to suffer if they ramp up defence spending in line with U.S. President ...

German President Frank-Walter Steinmeier urged the United States to coordinate any shifts in its European military presence ...

NATO is testing its ability to rapidly deploy across eastern Europe — without direct U.S. assistance — as Washington shifts ...

New US Defense Secretary Pete Hegseth is expected to assume the role of backseat driver in his first in person meeting with ...