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

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Feature Article - Post Article - Two Columns - Light Background

Anti-vax activist RFK Jr. moves one step closer to becoming America’s top health official

By Matt Field | Feb 4, 2025 | Biosecurity, Robert F. Kennedy Jr.

The national missile defense fantasy—again

By Joe Cirincione | Feb 4, 2025 | Nuclear Weapons, Opinion, ballistic missile defense, Donald Trump, Iron Dome, Trump administration

The DC plane crash: Was the helicopter crew practicing for disaster before it became involved in one?

By François Diaz-Maurin | Jan 31, 2025 | Nuclear Weapons, Annie Jacobsen, continuity of government, Federal Aviation Administration, FEMA, nuclear war, Nuclear War: A Scenario

Alexandra Bell

An introductory interview with Alex Bell, the new president and CEO of the Bulletin

By John Mecklin | Feb 3, 2025 | Interviews, Nuclear Risk, Alexandra Bell, arms control, deterrence, disarmament, nuclear policy

Trump wants a nuclear deal. Can he be the ultimate negotiator?

By Jon B. Wolfsthal | Jan 31, 2025 | Nuclear Weapons, arms control, arms race, China, Cold War, Donald Trump, Iran, New START, Nobel Peace Prize, North Korea, nuclear arms control, strategic arms control talks, trilateral arms control, Trump administration, US-Russia relations

Post Article - Three Columns - Dark Background

Anti-vax activist RFK Jr. moves one step closer to becoming America’s top health official

By Matt Field | Feb 4, 2025 | Biosecurity, Robert F. Kennedy Jr.

The national missile defense fantasy—again

By Joe Cirincione | Feb 4, 2025 | Nuclear Weapons, Opinion, ballistic missile defense, Donald Trump, Iron Dome, Trump administration

The DC plane crash: Was the helicopter crew practicing for disaster before it became involved in one?

By François Diaz-Maurin | Jan 31, 2025 | Nuclear Weapons, Annie Jacobsen, continuity of government, Federal Aviation Administration, FEMA, nuclear war, Nuclear War: A Scenario

Post Article - Four Columns - White Background

Anti-vax activist RFK Jr. moves one step closer to becoming America’s top health official

The national missile defense fantasy—again

The DC plane crash: Was the helicopter crew practicing for disaster before it became involved in one?

Alexandra Bell

An introductory interview with Alex Bell, the new president and CEO of the Bulletin

Trump wants a nuclear deal. Can he be the ultimate negotiator?

Alex Bell, President and CEO of the Bulletin of the Atomic Scientists.

Alexandra Bell to join  Bulletin as President & CEO

COVID patient.

Countries are neglecting the existential threat of pandemics. Bold leadership is necessary

Gage Skidmore from Surprise, AZ, United States of America, CC BY-SA 2.0 , via Wikimedia Commons

Through the looking glass: Will RFK Jr. be the next health secretary?