Jens Stoltenberg spoke as 4,000 troops prepare to shore up defenses around the Baltic Sea.
A newly declassified U.S. government report reveals top-secret details about a massive NATO war game.
The Soviet system failed because it didn’t work; China will be a tougher adversary.
The international star, famous for roles in ballets like “Swan Lake” and “The Dying Swan,” died on Saturday.
Making nuclear fuel safer and more efficient by revisiting a Cold War–era discovery.
How the CIA, FBI, and other agencies hired and protected former Nazis and Nazi collaborators in the name of the Cold War