Nuclear weapons can produce some of the most devastating destruction of any device ever created by humankind -- so what ...

Kyiv launched a rapid and largely successful counteroffensive in fall 2022 that peeled back Russia's grip on the northeast ...

North Korea is estimated to have 50 nuclear weapons, which Trump noted is "a lot." But he also pointed to the positive relationship he had with Kim Jong Un during his first presidency and ...

The insular nation currently has an arsenal of about 50 nuclear warheads, but Ankit Panda, an expert on North Korea's development of nuclear weapons at the Carnegie Endowment for International ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

The United Nations Treaty on the Prohibition of Nuclear Weapons entered into force on Jan. 22, 2021, after ratification by 50 countries. It is the first international treaty that totally bans ...

Ayatollah Ali Khamenei, facing pressure from the White House for a new nuclear deal, says any action against Iran will be met ...

The world came together 50 years ago to ban biological weapons and in today’s volatile geopolitical climate we can ill-afford ...

JERUSALEM—President Donald Trump’s overtures via a letter to the Islamic Republic of Iran’s supreme leader, Ali Khamenei, to jump-start talks on dismantling Tehran’s illicit nuclear ...

Documents obtained by WIRED show the US Department of Defense is considering cutting up to 75 percent of workers who stop the spread of chemical, biological, and nuclear weapons.