Safety lapses undermine nuclear warhead work at Los Alamos

An extended shutdown of the nation’s only scientific laboratory for producing and testing the plutonium cores for its nuclear weapons has taken a toll on America’s…

‘Tear down this wall’: How Reagan’s forgotten line became a defining moment

The very idea of Ronald Reagan standing before the most powerful symbol of the Cold War and demanding that the leader of the Soviet empire “tear down this wall”…

Trump, Who Pledged to Overhaul Nuclear Arsenal, Now Faces Increased Costs

When President Barack Obama’s term ended in January, he left a momentous decision to the Trump administration: whether to continue a 30-year, $1 trillion program…

The US government just declassified 750 nuclear-weapons movies and put a bunch on YouTube

In its quest for Cold War military superiority, the United States detonated more than 1,000 nuclear weapons. Government researchers blew up many of the bombs on…

Air Force nuclear officer: New START treaty is ‘good for us’

A top Air Force officer today defended the New START treaty as a major component of America’s strategic security, a week after the agreement with Russia was blasted…

Trump wants to make sure U.S. nuclear arsenal at ‘top of the pack’

President Donald Trump said on Thursday he wants to ensure the U.S. nuclear arsenal is at the “top of the pack,” saying the United States has fallen…

What Trump Doesn’t Get About Nukes

Mikhail Gorbachev, the former Soviet premier, warned in an extraordinary article late last month that the “increasingly belligerent” tone of geopolitical debates…

Dems seek to limit Trump’s options for using nuclear weapons

Two Democrats are pushing Congress to restrict President Trump’s ability to launch nuclear weapons, reintroducing a bicameral bill Tuesday that would prohibit…

Trump’s offer to Russia: an end to sanctions for nuclear arms cut

U.S. President-elect Donald Trump will propose offering to end sanctions imposed on Russia over its annexation of Crimea in return for a nuclear arms reduction deal…

A new North Korean video shows missiles destroying a U.S. city in a giant fireball

North Korean propaganda is many things, but it’s not subtle. Case in point: A new video, unveiled at a recent musical performance in honor of Kim Il Sung,…

The North Korea Paradox: Why There Are No Good Options on Nuclear Arms

North Korea, a small and poor country facing far stronger adversaries and the perpetual threat of its own collapse, would not seem a likely state to defy four consecutive…

China issues stern warning to U.S., North Korea over their growing tensions

China issued a stern warning Friday to both the United States and North Korea, urging them not to push their recriminations to a point of no return and allow war…

A Cornerstone of Peace

One of the big security decisions facing the Trump administration in the next few months is what to do about Russia’s violation of a 30-year-old treaty that bans…

United States and Allies Protest U.N. Talks to Ban Nuclear Weapons

UNITED NATIONS — Saying the time was not right to outlaw nuclear arms, the United States led a group of dozens of United Nations members on Monday that boycotted…

The Risks of Pre-emptive Strikes Against North Korea

A declaration by Secretary of State Rex W. Tillerson that the United States would consider pre-emptive military action against North Korea raises a question that…

Russia Deploys Missile, Violating Treaty and Challenging Trump

Russia has secretly deployed a new cruise missile that American officials say violates a landmark arms control treaty, posing a major test for President Trump as…

Why Did Trump Pick a Fight with Putin Over the Nuclear Weapons Treaty?

President Donald Trump has already picked a fight with Russia’s Vladimir Putin over nuclear weapons and the New START treaty. It is a curious battle to choose….

Trump administration risks Reagan’s legacy on nuclear disarmament

By Matthew Bolton

“A nuclear war can never be won and must never be fought,” declared U.S. President Ronald Reagan, in a 1983 speech to the Japanese parliament. “I will not…

Trump, Reagan, and Missile Defense

By Jerry Rogers

President Ronald Reagan was frequently two steps ahead of everyone else—the media, the Congress, the Soviets. Reagan’s ‘head-for-knowing’ was evidenced by…

Two to Tango With Nuclear Weapons

By Peter D. Zimmerman

Somewhere in the American southwest, not so very far from civilization, there is a fenced and guarded compound within another fenced and guarded compound in the…

The Nuclear Test Ban: Time to Finish What We Started

By Sergei Ryabkov and Lassina Zerbo

The growing global concerns about North Korea’s nuclear weapons capabilities and tensions in the region are a stark reminder of the need to re-energize the cooperative,…

How to Make the Nuclear Button Safer

By Michael Krepon

As we mark the centenary of the United States’ entry into World War I, I recall the words of a participant in the Versailles Treaty, which ended that conflict….

President Trump should heed Churchill’s warning not to escalate arms races

As Winston Churchill warned, if we ramp up the arms race, we’ll just “make the rubble bounce.”The stakes are even higher today because so many…

Donald, Have I Got a Deal for You

By Thomas L. Friedman

Every president has an early foreign policy test, and Donald Trump is no exception. Trump’s test is actually already in progress, and it bears some resemblance…

New nukes? No thanks.

By Daryl G. Kimball & Charles Carrigan

So far, President Trump has provided few details about his approach to his most important job as president: reducing the risks of unconstrained global nuclear competition…

North Korea Is Practicing for Nuclear War

By Jeffrey Lewis

On Monday morning, North Korea launched four missiles from the northwest corner of the country that traveled 620 miles before landing in the Sea of Japan. While…