The authoritative guide to ensuring science and technology make life on Earth better, not worse.

United States

Biden allowing Ukraine to strike into Russia is much ado for little consequence

By Mariana Budjeryn | Nuclear Weapons, Opinion

North Korea sent troops to Russia. The reason(s) are “left to be seen”

By François Diaz-Maurin | Nuclear Weapons

A wargame suggests how a war between Israel and Iran might go nuclear

By Henry Sokolski | Nuclear Weapons

Question for the candidates: How will you reassure allies worried about the credibility of the US security guarantees?

By Sara Bjerg Moller | Nuclear Weapons

Question for the candidates: Will the United States sign and ratify the Treaty on the Prohibition of Nuclear Weapons?

By Alicia Sanders-Zakre | Nuclear Weapons

Question for the candidates: What is your plan to prevent the next dangerous and expensive nuclear arms race?

By Laura Grego | Nuclear Weapons

Question for the candidates: How will you deter North Korea’s aggression without deteriorating the situation on the Korean Peninsula?

By Eliana Johns | Nuclear Weapons

The experts comment: Key nuclear questions that the US presidential candidates should answer

By François Diaz-Maurin, John Mecklin | Nuclear Weapons

Question for the candidates: Has Russia’s war in Ukraine changed your view of the role of nuclear weapons?

By Siegfried S. Hecker | Nuclear Weapons

Question for the candidates: What will you do if Iran gets the bomb?

By Henry Sokolski | Nuclear Weapons

Question for the candidates: What will you do to avoid a nuclear arms race with Russia and China?

By Steven Pifer | Nuclear Weapons

Question for the candidates: Should the president retain the sole authority to order the use of nuclear weapons?

By Mackenzie Knight | Nuclear Weapons