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Oil fire smoke and fire looming over mountains in northern Tehran.

Earth's Greatest Enemy: Abby Martin on US Militarism and the Environment

The International Union of Scientists (IUS) was honored to host a livestream interview with investigative journalist and filmmaker Abby Martin about her latest documentary, Earth's Greatest Enemy. Video About the Film Earth's Greatest Enemy is a groundbreaking documentary exposé of the world's largest institutional

Mathematicians Demand: Move the 2026 ICM Out of the United States

Mathematicians Demand: Move the 2026 ICM Out of the United States

Cuban Science Under Siege: an Interview with Dr. Ernesto Estévez Rams

Cuban Science Under Siege: an Interview with Dr. Ernesto Estévez Rams

Save the date: livestream with journalist Abby Martin

Save the date: livestream with journalist Abby Martin

Attacks on Iranian Science: A View from a Scientist in Tehran

Attacks on Iranian Science: A View from a Scientist in Tehran

Sign Letter: Protect Scientific Institutions in Iran

Sign Letter: Protect Scientific Institutions in Iran

The US-Israeli War on Science is an Assault on our Future

The US-Israeli War on Science is an Assault on our Future

Take action

Mathematicians Demand: Move the 2026 ICM Out of the United States

Mathematicians Demand: Move the 2026 ICM Out of the United States

By Ila Varma, mathematician and one of the organizers of this movement. On March 15th, we launched a petition to boycott the 2026 International Congress of Mathematicians (ICM) in Philadelphia in light of the belligerent violence arising from the United States escalating around the world. The International Mathematical Union (IMU)

Sign Letter: Protect Scientific Institutions in Iran

Sign Letter: Protect Scientific Institutions in Iran

Manifesto: Scientists against War. For Peace, Cooperation and Development.

Manifesto: Scientists against War. For Peace, Cooperation and Development.

Quantum Scientists Publish a Manifesto Against the Militarization of Research

Quantum Scientists Publish a Manifesto Against the Militarization of Research

Sign Petition: Demilitarize UK Universities

Sign Petition: Demilitarize UK Universities

Stand with Scientists Against War and Militarization of Science: Endorse the IUS Statement

Stand with Scientists Against War and Militarization of Science: Endorse the IUS Statement

Against Militarization: Scientists Unite in Opposition to EU Rearmament

Against Militarization: Scientists Unite in Opposition to EU Rearmament

Events

Oil fire smoke and fire looming over mountains in northern Tehran.

Earth's Greatest Enemy: Abby Martin on US Militarism and the Environment

The International Union of Scientists (IUS) was honored to host a livestream interview with investigative journalist and filmmaker Abby Martin about her latest documentary, Earth's Greatest Enemy. Video About the Film Earth's Greatest Enemy is a groundbreaking documentary exposé of the world's largest institutional

Save the date: livestream with journalist Abby Martin

Save the date: livestream with journalist Abby Martin

Livestream: The Palestine Laboratory

Livestream: The Palestine Laboratory

An Elbit Systems drone, a key link in the Israeli kill-chain, on display at a trade show in Manila.

The Palestine Laboratory: how Israel uses genocide to test & sell weapons

Webinar: International student movements against genocide in Palestine

Webinar: International student movements against genocide in Palestine

Al-Quds at night

Watch: Technology for apartheid and genocide

IUS Webinar poster: Jane Duncan and Matt Mahmoudi

Webinar announcement: Technology for apartheid and genocide

News

IUS Condemns US-Israeli Military Aggression Against Iran

IUS Condemns US-Israeli Military Aggression Against Iran

We, in the International Union of Scientists (IUS), strongly and unequivocally condemn the wanton military attack on Iran by the USA and its Israeli accomplice, carried out under the pretext of a “preventive” strike, at a time when active negotiations were going on between Iran and the USA for a

In Solidarity With the Cuban People

In Solidarity With the Cuban People

Join the Conversation on 'Genocide and Ecocide: The Interconnected Crimes Against Humanity and Nature'

Join the Conversation on 'Genocide and Ecocide: The Interconnected Crimes Against Humanity and Nature'

Photo by Joe Yates on Unsplash

Addressing the elephant in the room: scientists speaking up against militarism

In the name of humanity, the barbarism in Gaza must stop

In the name of humanity, the barbarism in Gaza must stop

Webinar: Science for Peace – 70 Years after the Einstein-Russell Manifesto

Webinar: Science for Peace – 70 Years after the Einstein-Russell Manifesto

Webinar on Being Jewish After the Destruction of Gaza: A Reckoning

Webinar on Being Jewish After the Destruction of Gaza: A Reckoning

Perspectives

Cuban Science Under Siege: an Interview with Dr. Ernesto Estévez Rams

Cuban Science Under Siege: an Interview with Dr. Ernesto Estévez Rams

In an era when science is increasingly mobilized for militarism, surveillance, and corporate profit, the International Union of Scientists (IUS) seeks out voices that remind us what science can be when it is directed toward human flourishing. This interview is one such voice. Dr. Ernesto Estévez Rams is a physicist,

Attacks on Iranian Science: A View from a Scientist in Tehran

Attacks on Iranian Science: A View from a Scientist in Tehran

Carlo Rovelli on Nuclear Risk, Militarization, and the Responsibility of Scientists

Carlo Rovelli on Nuclear Risk, Militarization, and the Responsibility of Scientists

China's socialist experiment: Crossing the river by feeling the stones

China's socialist experiment: Crossing the river by feeling the stones

Quantum Scientists Publish a Manifesto Against the Militarization of Research

Quantum Scientists Publish a Manifesto Against the Militarization of Research

For a Middle East free of nuclear weapons and other weapons of mass destruction

Militarism: A Leading Cause of Environmental and Climate Crises

Militarism: A Leading Cause of Environmental and Climate Crises

Events

More

Earth's Greatest Enemy: Abby Martin on US Militarism and the Environment

Save the date: livestream with journalist Abby Martin

Livestream: The Palestine Laboratory

The Palestine Laboratory: how Israel uses genocide to test & sell weapons

Webinar: International student movements against genocide in Palestine