The world’s three nuclear superpowers are modernizing at once, and the race to deter each other is becoming dangerously ...

For Ukraine, regaining control of the plant is not just about undoing an illegal seizure. It is central to the country’s ...

After the New START treaty expires in February, there will be no cap on the number of US and Russian nuclear weapons - but ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

Pakistan developed its nuclear arsenal outside the Nuclear Non-Proliferation Treaty and has long been under international ...

Rising threats are prompting some politicians in Japan, the only nation attacked with nuclear weapons, to reconsider its ...

The Trump administration has repeatedly said the U.S. should be in control of Greenland, which is part of Denmark and NATO.

In a November 5 meeting of the Security Council of Russia, President Vladimir Putin directed his military and political leaders to “submit coordinated proposals on the possible first steps focusing on ...

Hours prior to his meeting with Chinese President Xi Jinping, U.S. President Donald Trump posted on social media, “Because of other countries testing programs, I have instructed the Department of War ...

CFR scholars provide expert analysis and commentary on international issues. John Drennan is the Robert A. Belfer International Affairs Fellow in European Security at the Council on Foreign Relations.

President Donald Trump has ordered preparations to resume U.S. nuclear weapons testing, citing alleged Russian and Chinese violations. Moscow and Beijing deny conducting explosive nuclear tests but ...

Two companies with ties to Oak Ridge have netted $1.8 billion in federal support meant to spur domestic uranium enrichment.