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

Nuclear Weapons

Ukrainian tanks on a military exercise

Russia says “Nyet” to UN calls for DMZ around Ukrainian nuclear plant

By Jon Henley, Samantha Lock | Nuclear Weapons

Bounty flyer offering $25 million for information about al-Qaeda leader Ayman al-Zawahiri. Photo credit: US State Department

Why al-Zawahiri’s death should focus attention on nuclear terrorism—foreign and domestic

By Scott Roecker, Nickolas Roth | Analysis, Nuclear Risk, Nuclear Weapons

Mar-a-Lago in March 2019. Photo credit: The White House

Searching for the meaning of the search of Trump’s Mar-a-Lago

By John Mecklin | Analysis, Nuclear Weapons, Special Topics

In memoriam: Some of our decades of coverage of the atomic bombings of Japan

By | Nuclear Risk, Nuclear Weapons

The harrowing story of the Nagasaki bombing mission

By Ellen Bradbury, Sandra Blakeslee | Hiroshima & Nagasaki, Nuclear Weapons

NPT Review Conference: Will it rise to the proliferation challenges?

By François Diaz-Maurin | Nuclear Weapons

Sweden's Supreme Commander Micael Bydén commented on the decision to apply for Swedish NATO membership at a May press conference. Photo credit: Henrik Lundqvist Rådmark/Swedish Armed Forces

As Sweden gets ready for NATO, will its approach to nuclear weapons change?

By Jens Petersson | Analysis, Nuclear Weapons

Will Seoul and Washington make Riyadh nuclear-weapons ready?

By Henry Sokolski | Nuclear Energy, Nuclear Weapons

Less threats, more focus: What Biden needs to do to win an Iran nuclear deal

By Kimberly Peh, Soul Park | Nuclear Weapons

Will the EU diplomacy revive the Iran nuclear deal or keep spinning in a vacuum?

By Adérito Vicente | Nuclear Weapons

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

What’s next for the nuclear ban treaty?

By Ruth Rohde | Nuclear Weapons, Opinion, Voices of Tomorrow

To sanction North Korea, sanction those that won’t—Russia and China

By Aaron Arnold | Nuclear Weapons