Russia could be willing to use force against European NATO countries if it perceives NATO as weakened or divided, Denmark's ...

Defense Secretary Pete Hegseth says the U.S. will no longer be the "primary guarantor of security in Europe," which he said ...

Sergey Mikheyev warned Moscow could strike three NATO-member capitals in response to the Trump administration's shifting ...

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

BRUSSELS — In just one speech by U.S. Defense Secretary Pete Hegseth this week, the most powerful member of NATO has thrown ...

Pete Hegseth’s warning to Ukraine that it should abandon its NATO bid and its push to reclaim all Russian-occupied territory ...

The mutual-defense alliance has been central to Ukraine’s war against Russia, but the future is uncertain with President ...

President Trump’s first major moves toward peace negotiations between Russia and Ukraine are unsettling Republicans in the ...

U.S. Defense Secretary Pete Hegseth said Wednesday that NATO membership for Ukraine was unrealistic and suggested Kyiv should ...

Defense Secretary Pete Hegseth says Ukraine is unlikely to join NATO or keep all its territory. Trump says he'll start talks ...