Why is the Black Sea region strategically important?

Breaking down Europe's reliance on Russian energy (preinvasion)

One side effect of the Russian-Ukraine conflict is how it underscored European dependence on Russian natural gas and oil. This article, published days before the Russian attacks, outlines and illustrated how much gas and oil flows from Russia to Europe and the potential for either side to use sanctions to get what they want.

Ukraine's contested Donbas region: a visual explainer

Russia's heavily industrialized eastern Donbas region has been largely controlled by Russian separatists since 2014. Here's everything you need to know on the key strategic region.

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.

Watch two Russian jets damage US drone over Black Sea

The Pentagon has released footage that appears to show a Russian aircraft intercepting a US Air Force drone in international airspace over the Black Sea.

Explore the Council on Foreign Relations' essay collection on the future of US foreign policy

This project brings together expert essays examining the future of American strategy, regional relations, geoeconomics, great power rivalry, and war in a rapidly changing global landscape.

Mapping NATO's 32 countries across North America and Europe

See an updated map with the option to learn more about each country's membership and role in the alliance. The map shows the borders of its member countries with extra filters capable of locating its many civilian structures, nonmember partners, positions of missile sites, and more.

Hardline China critics in the US worry that China's Belt and Road Initiative is a Trojan horse for military expansion efforts

The Belt and Road Initiative, initially launched in 2013 to develop trade routes throughout Europe, Asia, and the Middle East, has evolved into a larger infrastructure development initiative in developing countries. The BRI is backed by the Silk Road Fund, which is administered by the two most prominent Chinese sovereign wealth funds.

Much of the Global South responded to the Russia-Ukraine war by pursuing a strategy of 'active nonalignment'

Boston University scholar Jorge Heine suggests that countries across Africa, Asia, and Latin America are avoiding taking sides between Washington and Beijing—viewing the rules-based order as increasingly unresponsive to the needs of developing nations and considering the West's framing of the war irrelevant to its own interests.

Decisions at NATO are by consensus and must be unanimous

There are two strategic commands in NATO: one in Europe (Supreme Allied Headquarters Command Europe) and another in Norfolk, Virginia (Allied Command Transformation). The alliance is headed by both a military officer and a civilian leader.

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.

View a list of 50 minerals critical to US economic and national security

Most of the US's supply of critical minerals depends on countries that have historically competed with it, which has raised concerns in Washington. These minerals are needed for green technologies to meet greenhouse gas emission reduction goals.

The Cold War (1947-1991) prompted the birth of NATO and the Soviet Warsaw Pact

The geopolitical rivalry between the United States and Soviet Union was considered “cold" because the two countries never directly engaged in military combat during the time period. This page from the Kennedy Presidential Library outlines the causes and major events of the early Cold War.

Watch Mediterranean power shift over millennia with this animated map

The ancient Mediterranean holds a vast amount of history; from Egypt to Rome, the coasts of this sea are home to some of the most advanced ancient civilizations. This video displays on a map the many different civilizations that rose and fell around the fertile region, from the year 2500 BCE to 0 BCE.

How landlocked Moscow became Europe's biggest city

It's far enough north to have avoided the nomadic hordes who, for centuries, raided the European plain to its south—but it's just south enough to still farm the land. What's more, Moscow is protected by the huge taiga forests and is guarded by rare east-west rivers in a continent with mostly north-south ones.

Could water scarcity cause future wars in the Middle East?

The MENA region is facing a looming water crisis that could lead to future conflicts. While water scarcity isn't new in the Middle East, the region is among the most water scarce in the world. Home to only 1% of the world's fresh water...

Defining the use of 'Third World' in geopolitics

The term "Third World" is mostly out of use today for its limiting connotations, but in light of a reordering of geopolitical alliances amid the Ukraine war, historians are reevaluating the term's usefulness. Read the history of the term starting from the 1950s, and learn what several experts claim about its contemporary efficacy.

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...

The unusual connection between Venice and Byzantium

This article explores the complicated relationship between Venice and the Byzantine Empire. Venice grew up in the shadow of Byzantium, serving as a trade partner and faithful ally for centuries. Gradually, relations grew hostile, and Venetian ships would carry the Fourth Crusade to its fateful rendezvous with Constantinople. Visitors to San Marco can still see marble and porphyry from Constantinople, built into the walls of Venice’s preeminent church.

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

How Eurovision mirrors European politics

Although Eurovision claims to be nonpolitical, historian Dean Vuletic argues that it is inherently political and, in many ways, the only election in which most of Europe participates. In this brief explainer, he unpacks how the song contest's politics extend back to its first broadcast in 1956, which featured Walter Andreas Schwarz, a Jewish West German who signaled a rebuke to Germany's Nazi past.

The US national debt has become more important in recent months

In a moment of deep economic uncertainty, the national debt now matters more than ever. Listen to this podcast to find out why and also explore answers to questions like, "Who does the US owe money to and why?"

The Panama Canal boosted the US as a world power in trade, engineering, and finance

The effort proved the US could achieve grand engineering projects while granting it influence over (and benefitting economically from) a major interoceanic channel and its host country, Panama.

How did segregation in the US affect blood donations?

When the US established its first nationwide network of blood banks in 1941 with the hopes of restoring the dwindling reserves of military members, it was quick to emphasize blood donated by Black Americans wouldn't coat the veins of white servicemen. Historians say this policy was meant to appease white Southerners who believed Black blood was inferior to their own.This policy was leaked to the press that same year.

When German submarines lurked in US coastal waters

During World War II, German submarines (also known as U-boats) prowled the Southern coast of the US in 1942 and 1943, sinking more than 60 ships and killing 600 Allied soldiers. The campaign is less well-known, since the major battles in Stalingrad and Midway happened at the time. Several of these submarines and the ships they sank are now popular diving spots.

China vs. Taiwan, explained

Taiwan and China are separated by just 100 miles of water, but the distance between the two countries is farther than that. This 14-minute video details the history of their sovereignty dispute, and China's likelihood to use military tactics if they can't unify peacefully. The main problem there is that the United States has vowed to defend Taiwan, which could lead to an American-Chinese war.

Because of their size, sovereign wealth funds create anxiety about foreign undermining of financial systems

Across the board, sovereign wealth funds have an immense amount of capital, and, therefore, influence in global financial markets. Critics argue that this influence could enable a foreign country to harm another country's financial market by either investing adversely in competitive markets or by withholding critical capital.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

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

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

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.

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.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

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.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

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.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

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

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

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.