The North Korean nuclear threat, explained

40 maps that explain North Korea

The Democratic People’s Republic of Korea (DPRK) is one of the most misunderstood countries in the world. Use these maps and charts, compiled by Vox, for context and clarity on North Korea. North Korea has a large military and an advanced nuclear...

An overview of North Korea’s military capabilities

With one of the world’s largest conventional military forces, North Korea is often perceived as a security threat. This multimedia backgrounder by CFR breaks down North Korea’s military capabilities. North Korea has the world’s...

North Korea, in nine infographics

In recent decades, North Korea has spent nearly a third of its annual Gross Domestic Product on military spending, although data is not always forthcoming. This spending has funded major nuclear and missile projects as a means to deter attacks from...

What missiles does North Korea have?

In recent years, North Korea has tested a variety of ballistic and cruise missiles as well as both submarine-launched missiles and hypersonic missiles, which can fly at low altitude (to escape radar detection) and at several times the speed of sound. Dive into this visualization by the BBC to break down what missiles North Korea currently has.

A timeline of Russia-North Korea relations

North Korea and Russia have often had aligned interests, yet their relationship has experienced many highs and lows. Al Jazeera’s explainer outlines the key events defining Russia-North Korea relations. Russia and North Korea were allies during...

Is North Korea fighting a food crisis?

North Korea is facing a food crisis placing it on the brink of famine. Read (or watch) Al Jazeera’s detailed take on the food crisis unfolding in North Korea. Since the 1950s, the country has relied on a collective agriculture system. But...

North Korea country profile

North Korea has often been described as one of the world’s most secretive societies. Learn the basics about the Democratic People’s Republic of North Korea with this breakdown from the BBC. North Korea emerged in 1948, following the end of the Second World War. Today, it remains one of the few countries still (nominally) under communist rule. Key facts unpack the realities of everyday life inside North Korea.

An interactive visualization tracking 25 years of US-North Korea nuclear negotiations

From 1990 to 2017, the United States and North Korea engaged in a complex series of bilateral and multilateral negotiations. This interactive page, compiled by CSIS Beyond Parallel, displays a record of provocations and negotiations between the two...

An in-depth profile of North Korea’s leader, Kim Jong Un

Kim Jong Un seems to have known from an early age that he was destined to lead North Korea. Read this visual-rich essay by a former CIA analyst for a comprehensive profile of North Korea’s leadership. The Kim family dynasty cultivated strong...

A backgrounder on North Korea’s power structure

North Korea has been ruled by three generations of the Kim family since 1948, one of the world’s longest-running dynastic dictatorships, where absolute authority flows from the Supreme Leader. Read the Council on Foreign Relations' backgrounder to understand the country’s structure of power.

A primer on the president's nuclear football

During the Cold War, the United States and the USSR were forced to prepare for a nuclear strike at a moment's notice, leading to a new innovation: the so-called "football" (known as the chemodanchik in Russia), a bag containing nuclear strike plans, authentication codes, and likely a communication device, which attended the country's leader wherever they went. This easy-to-read piece breaks down the history and lore around the high-stakes quirk in nuclear governance.

The threat of nuclear annihilation reshaped global diplomacy

The first use of atomic weapons introduced the possibility of a war with no survivors. This article examines how nuclear fear shaped Cold War diplomacy and continues to influence international relations today.

Learn how the Soviets won the early space race

This video traces how Cold War arms competition transformed rocketry into a symbol of global power, following pioneers like Tsiolkovsky and von Braun through World War II and into the 1950s, culminating in the Soviet Union’s launch of Sputnik I in 1957.

Four Cold War hawks warn: Nuclear weapons still threaten the world

Despite the Cold War's end, the US and Russia still hold 95% of the world's nuclear weapons—many on hair-trigger alert. In this 2010 documentary, top former officials urge urgent action to reduce and eliminate the threat.

Visualizing the chemistry of nuclear weapons

Nuclear weapons have devastating effects, but the science of how they work is atomically small. There are two main types of nuclear reaction: fission and fusion. The fission bomb produces immense energy by splitting an atom, the result of firing a...

North Korea's Kim Jong Un travels in a train with a helicopter and antiaircraft guns

The train, known as the Taeyangho (or "sun"), is a moving fortress, the country's equivalent of Air Force One. Its windows are bulletproof, exteriors built to withstand explosions, and heavy with armaments. Kim claims the train helps signal closeness to the people.

The failed Bay of Pigs invasion led to the Cuban Missile Crisis, which brought the world to the brink of nuclear annihilation

Moscow's decision to deploy nuclear missiles in Cuba—just 90 miles from the US—pushed the world to the brink of nuclear war. To prevent future crises, both sides later set up a direct hotline and boosted arms-control diplomacy

A look inside North Korea through photographs

What does life look like inside North Korea? Get a behind-the-scenes peek through 38 photos in the Atlantic.

Explore 100 years of communism across the globe, from the 1917 October Revolution to North Korea's modern nuclear defiance.

Simulations of atmospheric transport have shown that radioactive material released from potential strikes to US nuclear missile silos would reach everyone in the continental US.

An NSA analyst helped avert nuclear war during the Cuban Missile Crisis

In October 1962, NSA cryptographer Juanita Moody headed analysis of U‑2 surveillance data and urgently produced intelligence on Soviet missile deployments in Cuba. Her reports drove high-level US decision-making, and were critical to avoiding nuclear war during the Cuban Missile Crisis.

Inside the architecture of Pyongyang's Kim dynasty

Since the bombings during the Korean War wiped out much of Pyongyang in the 1950s, three leaders of the Kim dynasty of North Korea have remade the ancient capital from the bottom-up, designing workers monuments, vast streets, and collectivized living spaces. Take a look inside the reclusive city with this architectural analysis accompanied by photographs.

Experts argue that nuclear war is more likely than is commonly believed

The podcast highlights that many of the world's roughly 12,000 nuclear weapons—capable of triggering global collapse and nuclear winter—remain on high alert. Experts warn that this status, combined with limited public awareness, makes nuclear war disturbingly plausible.

Watch an animated, step-by-step reconstruction of the Chernobyl explosion

This video shows how a 1986 safety test at Chernobyl spiraled out of control—leading to a massive rise in temperatures, an explosion and reactor meltdown that produced the largest civilian nuclear disaster in history.

The alliance operates under a "flexible response" doctrine—that is, proportionality

NATO countries' main deterrent against aggression is their ability to respond with nuclear weapons. This video from "The Infographics Show" outlines the purpose of this nuclear arsenal, NATO’s strategy to prevent attacks, and its plans in the event of escalation toward nuclear war.

The Soviet Union’s surprising first atomic test ended the US nuclear monopoly

In 1949, the USSR successfully tested its first atomic bomb—ending the US monopoly on nuclear weapons and sparking an arms race that would define the Cold War.

Cold War nuclear tests exposed thousands to atomic blasts

After World War II, nuclear powers conducted thousands of weapons tests. This video pairs archival footage with interviews of veterans who witnessed Pacific test explosions, capturing the scale, shock, and human experience of being near a nuclear detonation.

Discovering how the dinosaurs went extinct may have helped avert nuclear war

This NPR Throughline episode explains how the 1980 discovery that an asteroid-driven dust cloud killed the dinosaurs inspired Cold War scientists' fears of "nuclear winter"—a sunlight-blocking aftermath of nuclear war that may have discouraged leaders from launching one.

Take a multimedia journey through the thirteen days that nearly ended the world

In October 1962, the Cuban Missile Crisis brought the US and Soviet Union to the brink of nuclear war. This interactive archive from the JFK Library reconstructs those tense days through documents, photos, and secretly recorded conversations from the Kennedy White House.

China doubled its nuclear stockpile between 2020 and 2025, with plans for further expansion.

The discovery of the neutron paved the way for nuclear weapons

In 1932, James Chadwick discovered the subatomic particle when trying to explain the radiation emitted by beryllium after it was bombarded with alpha particles. The radiation’s ability to eject protons from a target suggested a chargeless particle with slightly more mass than a proton.

Listening to K-pop in North Korea is punishable by execution

As far as we know, North Koreans are instead listening to music that serves as public service announcements or some catchy electronic music for dancing.

The origin of atmospheric science while testing nuclear weapons during the Cold War

The arms race between the US and the Soviet Union saw both countries stockpiling and detonating hundreds of bombs underground, underwater, and in the atmosphere. To better predict where nuclear fallout would travel after these tests, scientists developed models that would serve as a foundation for those used to explain atmospheric circulation.

A summary of human rights violations in North Korea

North Korea severely restricts the rights of its citizens. Read Amnesty International’s summary of the current state of human rights in North Korea. Malnutrition was widespread in North Korea in 2022—more than 40% of the population required...

Questions about the US' commitment to its allies may have sparked a new nuclear age

Some US allies—from Warsaw to Seoul—are reevaluating their security amid doubts over American nuclear commitment, signaling the possibility they may want to acquire their own weapons.

Nuclear-powered missiles replace chemical combustion with energy from nuclear fission

In these systems, energy is added to an airstream, which passes through a nozzle to generate thrust. Because the amount of energy released per unit mass of nuclear fuel is millions of times larger than that of chemical propellants, nuclear missiles can travel faster and farther with less fuel.

Nuclear weapons in WWII

This 14-minute interactive documentary broaches the subject of the human cost of nuclear warfare. Comparing the number of deaths during World War II with the projected deaths of a nuclear exchange, the video can be paused to delve deeper into individual statistics, historical tidbits, and more data that shows the terrible price humanity would pay.

The dramatic story of the spies and scientists behind the atomic bomb

This podcast traces the dramatic origins of nuclear weapons—from the scientists racing to beat the Nazis in Season 1 to the Soviet spy who stole atomic secrets in Season 2.

See how global nuclear arsenals surged—then shrank—by country since 1945

Worldwide nuclear stockpiles peaked at over 60,000 warheads in the mid‑1980s during the US-Soviet arms race. Today, about nine nations collectively maintain roughly 12,000 warheads, with Russia and the US still holding the majority.

The Tsar Bomba was the most powerful nuclear weapon ever tested

In 1961, the Soviet Union detonated AN602—known as the Tsar Bomba—the largest nuclear explosion in history. Newly released Russian footage starkly illustrates the unmatched destructive power of this nuclear weapon.

Watch a 1957 news report on the Sputnik launch

This 1957 news report captures the shock and uncertainty that followed the launch of Sputnik, showing how the first artificial satellite immediately altered global politics, military planning, and public perceptions of technological power.

South Korea is separated from North Korea by a demilitarized zone

There’s a lot of symbolism going on in the South Korean flag: a red-and-blue yin-yang represents the harmony created by opposing forces, and the white background represents peace and purity. The four black trigrams symbolize the four elements. The CIA World Factbook has more info on this country of 52 million, including where it ranks globally on obesity rates, energy consumption, and more.

Imagining the reunification of the Koreas

The idea of reunifying North and South Korea has been a geopolitical dream for years, though one that feels perpetually out of reach. That hasn’t kept some from imagining it, though. Reddit user Aofen created a set of maps that postulate what effect a hypothetical reunification would have on population numbers, birth rates, median income, political affiliation, and more.

The Non‑Proliferation Treaty was designed to prevent new states from developing nuclear bombs

The Treaty on the Non‑Proliferation of Nuclear Weapons (created in 1968, effective 1970) binds non-nuclear states to forgo nuclear weapons and commits nuclear powers to share peaceful technology and pursue disarmament—forming the core of the global non-proliferation regime.

The basic science of rockets

How do rockets work? What is the science behind a rocket launch? How does a rocket go into space? In this short and simple video, we discuss the science of rocket propulsion and what takes to get these vehicles into orbit.

The US once had a plan to nuke the moon

In the 1950s, the US considered detonating a hydrogen bomb on the moon as part of a Cold War show of force. Known as Project A119, the classified plan aimed to create a visible explosion from Earth to signal American dominance in the Space Race.

The US once had a plan to nuke the moon

In the 1950s, the US considered detonating a hydrogen bomb on the moon as part of a Cold War show of force. Known as Project A119, the classified plan aimed to create a visible explosion from Earth to signal American dominance in the space race.

See a timeline of the space race

This interactive timeline chronicles the space race from its Cold War origins to the moon landing, highlighting key figures, pivotal moments, and rapid technological advancements. It combines archival photos, video, and links to related material.

A deep dive on the weapons being used by both sides

From ballistic missiles to armed drones, Russia’s invasion of Ukraine is proving the devastating power of modern weaponry. This infographic illustrates and explains the uses and effects of the weapons of choice for both sides of the conflict. Tactics are also explored in regards to their efficacy and consequences, with expert commentary added.

The Cuban Revolution, from 1953 to 1959, overthrew the dictatorship of Fulgencio Batista and established the first socialist state in the Western Hemisphere.