Decisions at NATO are by consensus and must be unanimous

How NATO works

NATO now includes 32 member nations—but how does the alliance actually function? This explainer breaks down its structure, decision-making process, and funding model. From its founding in 1949 to its collective response after 9/11, here’s how NATO operates on a global scale.

Members decide to what extent they respond to an attack on an ally

The NATO constitution is intentionally vague about what exactly is required from its members. Explore the historical debates and learn more about common misconceptions about NATO’s common defense clause.

NATO was formed in 1949 to deter Soviet expansion and integrate Europe

Europe was in shambles after World War II, which saw 36 million Europeans killed, and the Soviets were looking to increase their influence. Beyond deterring the Soviets, the alliance sought to restore Europe and prevent nationalist militarism akin to the German Nazis and Italian Fascists.

The National Security Council advises the president on foreign policy and national defense

Created in 1947, the NSC coordinates military, diplomatic, and intelligence policy matters. Chaired by the president, it includes key Cabinet officials and senior advisers who shape American responses to global crises and security threats.

Watch the historic treaty signing that established NATO in 1949

NATO was created with the signing of the North Atlantic Treaty on April 4, 1949, in Washington, DC. The clip embedded in the webpage includes a newsreel with an excerpt from US President Harry Truman’s speech celebrating the historic day.

Tensions between the US and European NATO allies

The Associated Press article discusses US Defense Secretary Pete Hegseth's assertion in February of 2025 that restoring Ukraine's prewar borders or NATO membership for the country are both unrealistic. This represented a large rift between the United States and its other NATO allies, prompting concern about America’s commitment to the future of the alliance.

NATO leads cyber war games in Estonia

Estonia is host to one of the world’s largest annual interactive cybersecurity drills. Russia is always considered the main threat, but this year, the war in Ukraine has only added to the stakes.

Wartime conferences exposed cracks in the US–Soviet alliance

At the Tehran, Yalta and Potsdam Conferences, Allied leaders coordinated WWII strategy—but deep disagreements over postwar Europe foreshadowed the Cold War. The USSR’s push for influence in Eastern Europe clashed with US and British calls for self-determination.

General Jennie Carignan was the first woman to lead a NATO mission

"NATO Through Time" is a podcast exploring NATO’s history and its impact on today’s world. This episode features General Jennie Carignan, Canada’s top military leader, as she shares insights from her NATO missions in Bosnia, Afghanistan, and Iraq.

The president has the sole authority to call for a nuclear strike

Under current US policy, the president alone can order the use of atomic weapons at any time without requiring prior approval from Congress—a power rooted in the president's role as commander in chief.

There are 6 primary governing bodies at the UN

The United Nations is structured around six main bodies: the General Assembly, Security Council, Economic and Social Council, Trusteeship Council, International Court of Justice, and Secretariat. Each plays a distinct role in promoting peace, justice, and cooperation worldwide.

Why is the Black Sea region strategically important?

This commentary is the first in a series of essays that examine the strategic significance of the Black Sea region to the US and NATO.

Nearly half of the discretionary funding in the US is allocated to national defense

The US accounts for roughly 35% of global military spending, with defense taking up nearly half of discretionary funds. In this discussion, Michael E. O'Hanlon of the Brookings Institution explains why these levels are so high—and how they compare historically.

The Supreme Court has never definitively settled federal war powers

Despite more than two centuries of conflict over war powers, the Supreme Court has consistently avoided defining the precise boundary between congressional and executive authority, leaving that boundary to be contested by the political branches.

Davos, Switzerland, is one of the highest towns in Europe

Perched high in the Swiss Alps, Davos is one of Europe’s highest towns, accessible via a limited number of routes—an isolated setting that heightens both the security and exclusivity of the annual forum.

Eleven architects collaborated to create the UN building in NYC

Renowned leaders in the field, accustomed to control over their projects, had to work together to complete the building. This quick article explores the tensions and cooperation of the architects to complete the UN building.

'To live is to choose. But to choose well, you must know who you are and what you stand for, where you want to go and why you want to get there.'

- Diplomat Kofi Annan (1938-2018)

In a 2012 poll, Brits named Washington as the kingdom's greatest military enemy

The poll by the UK's National Army Museum ranked Washington above Irish independence hero Michael Collins, France's Napoleon Bonaparte, German Field Marshal Erwin Rommel, and Mustafa Kemal Atatürk.

An organizational breakdown of the National Science Foundation's directorates

Each is responsible for supporting a different discipline within science, engineering, and education, such as the Directorate for Biological Sciences, the Directorate for Engineering, and the Directorate for STEM Education. Formed in 2022, the Directorate for Technology, Innovation, and Partnerships is the NSF's first new directorate in 30 years and is focused on growing industry and an equitable STEM workforce.

Go behind the scenes of Air Force One

ABC News takes viewers inside Air Force One, revealing how the president's plane operates as a secure command center in the sky. Explore the logistics and coordination that go into every presidential flight.

Dario Amodei explains what led to his company being designated a supply chain risk

When pressed about the use of Claude in the capture of former Venezuelan President Nicolás Maduro, Anthropic's CEO acknowledged its contract with the Pentagon. However, he also emphasized that Claude is not to be used for mass surveillance or autonomous weapons, in part because the technology is not yet safe or reliable for such uses.

Of the 12 voting policymakers at every Federal Open Market Committee meeting, 4 are present on a rotating basis

To allow for diverse regional perspectives in the votes on monetary policy, heads of regional banks hold voting power on two- or three-year cycles.

John Marshall presided over more than 1,100 Supreme Court decisions

During his 34-year tenure, the Marshall court issued 1,129 decisions, including 1,042 unanimous rulings. Marshall authored more than 500 majority opinions—over half of the court's total output during his tenure as chief justice.

Reactions inside the House chamber during the State of the Union are highly choreographed

Applause, silence, and coordinated standing—or refusal to stand—are deliberate signals during the State of the Union, used by lawmakers to broadcast allegiance or dissent. At the same time, military leaders and Supreme Court justices largely avoid reacting to preserve institutional neutrality.

Norway operates the largest SWF in the world—managing more than $2T in assets

The fund is considered the gold standard SWF because of its transparency around investments, politically independent governance, and strong ethical boundaries that serve as the backbone of the investment philosophy. For example, fund managers will not invest in coal, tobacco, or nuclear weapons, because these investments are considered harmful to humanity.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

Hurricanes, which rely on air consistently spinning in the same direction, cannot cross the equator because air curves in opposite directions north and south of it.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

See the most iconic photos from four decades of LIFE magazine

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

In recent years a child anxiety expert has created and tested a novel phobia and anxiety treatment approach for children, focused on changing how parents respond to the fears.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO