VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global nuclear arms control meeting and pointed to nuclear provocations from Russia, China and North Korea.

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s appropriate to do so,” the president told reporters ...

Nuclear experts are urging the public to demand concrete steps to reduce the risk of devastation due to nuclear weapons.

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a shallow concavity in the sand, and killed no one that we ...

President Donald Trump announced on Thursday, “Because of other countries testing programs, I have instructed the Department of War to start testing our nuclear weapons on an equal basis. That process will begin immediately.” Russia denies it is ...

CFR scholars provide expert analysis and commentary on international issues. Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the ...

Russian President Vladimir Putin said Wednesday his country will draw up plans to conduct nuclear tests after President Donald Trump announced the U.S. would do the same last week. The Kremlin leader said he has asked relevant departments to "submit ...