It is 90 seconds to midnight

Visit the Doomsday Clock

A mink

Mink on a Spanish farm caught bird flu. Is the virus adapting to mammals?

By Matt Field | Biosecurity

2023 Doomsday Clock announcement: It is 90 seconds to midnight

By | Announcement

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

By Alexander Kmentt | Nuclear Weapons, Opinion
a river of dust over the earth

What the ebb and flow of atmospheric dust has to do with global warming

By Maanvi Singh | Climate Change
A biosafety level 4 lab.

Researchers hacked a lab’s pathogen containment system. Was it a good idea to publish the results?

By George Poste, David Gillum | Biosecurity

The US has a new nuclear proliferation problem: South Korea

By Lauren Sukin | Nuclear Weapons

How the war in Ukraine hinders US-Russian nuclear arms control

By Steven Pifer | Nuclear Weapons

January issue: Renewable technologies—overcoming the valley of death

By Dan Drollette Jr | Climate Change, Special Topics

An illustrated history of the world’s deadliest epidemics, from ancient Rome to Covid-19

By Erik English | Biosecurity, Multimedia

Why US policy on North Korea should prioritize nonproliferation, not denuclearization

By Jordan Chase, Eliana Reynolds | Nuclear Weapons

Ocean temperatures are a key indicator of global warming. They were hotter than ever recorded last year

By Damian Carrington | Climate Change
A mink

Mink on a Spanish farm caught bird flu. Is the virus adapting to mammals?

By Matt Field | Biosecurity

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

By Alexander Kmentt | Nuclear Weapons, Opinion

a river of dust over the earth

What the ebb and flow of atmospheric dust has to do with global warming

By Maanvi Singh | Climate Change

2023 Doomsday Clock announcement: It is 90 seconds to midnight

By | Announcement

US nuclear submarine

Nuclear Notebook: United States nuclear weapons, 2023

By Hans M. Kristensen, Matt Korda

The US has a new nuclear proliferation problem: South Korea

By Lauren Sukin | Nuclear Weapons

An illustrated history of the world’s deadliest epidemics, from ancient Rome to Covid-19

By Erik English | Biosecurity, Multimedia

The Bulletin Interactive

See all of the world's BSL-4 laboratories—and more

Virtual Tour: Turn Back the Clock

Doomsday Dashboard

Nuclear Arsenals of the World

Doomsday Clock Timeline

What's New at the Bulletin

PRESS RELEASE: Doomsday Clock set at 90 seconds to midnight

Bulletin statement on the Department of Energy’s Oppenheimer decision

Watch the 2023 Doomsday Clock announcement on Jan. 24

Don't Miss an Update

Subscribe to Receive Email Updates
Follow Us on Twitter
Subscribe to the Premium Magazine
Follow Us on Facebook

Know the time

Donate Now