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

TPNW

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

Is the spread of regional denuclearization dead? Or a path toward eventual disarmament?

By Ryan A. Musto | Nuclear Weapons

Antinuclear activist march to mark the second anniversary of the entry into force of the Treaty on the Prohibition of Nuclear Weapons (TPNW) in New York, January 20, 2023. - The TPNW, the first legally binding international agreement to prohibit nuclear weapons, entered into force on January 22, 2021. (Photo by KENA BETANCUR/AFP via Getty Images)

Nuclear deterrence is the existential threat, not the nuclear ban treaty

By Ivana Nikolić Hughes, Xanthe Hall, Ira Helfand, Mays Smithwick | Nuclear Risk, Nuclear Weapons

A scene from the 2023 Victory Day Parade in Moscow. Source: President of the Russian Federation.

Why a nuclear weapons ban would threaten, not save, humanity

By Zachary Kallenborn | Nuclear Risk, Nuclear Weapons

How passport privilege undermines the nuclear ban treaty

By Olamide Samuel | Nuclear Weapons

Campaigner holding up a copy of the Treaty on the Prohibition of Nuclear Weapons

A strong multilateral system must live up to commitments on nuclear disarmament

By Ernesto Zedillo | Nuclear Weapons

delegates celebration adoption of nuclear ban treaty

Bridging the gap between nuclear ban treaty supporters and opponents

By Hideo Asano | Nuclear Weapons, Opinion, Uncategorized, Voices of Tomorrow

Erico Platt looks at the disarmament exhibition that she staged in 2022, "Three Quarters of a Century After Hiroshima and Nagasaki: The Hibakusha—Brave Survivors Working for a Nuclear-Free World." Photo by UNODA/Diane Barnes.

Respect for hibakusha, and hope in younger generations

By Masako Toki | Nuclear Risk, Nuclear Weapons

What Oppenheimer can teach the new generations about nuclear weapons

By Magritte Gordaneer | Nuclear Weapons, Opinion, Voices of Tomorrow

Alexander Kmentt of Austria (center) talks with fellow delegates at the NPT review conference on May 1, 2015. (Credit: International Campaign to Abolish Nuclear Weapons / ICAN)

How the ban treaty addresses the inherent injustices of nuclear weapons

By Alexander Kmentt | Nuclear Weapons, Voices of Tomorrow

The ban treaty, two years after: A ray of hope for nuclear disarmament

By Alexander Kmentt | Nuclear Weapons, Opinion

The 2022 nuclear year in review: A global nuclear order in shambles

By François Diaz-Maurin | Nuclear Energy, Nuclear Risk, Nuclear Weapons