NATO leads cyber war games in Estonia

Anonymous' war against Russia

Anonymous has been waging a cyber war on Russia for invading Ukraine. CNBC takes a look at how effective the collective’s six main strategies have been.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II

The Russia-Ukraine war began on Feb. 24, 2022, when Russian forces launched a multi-front invasion. The conflict has become Europe's largest ground war since World War II, reshaping global security, energy markets, and alliances.

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

Finland and Sweden joined NATO after Russia's invasion of Ukraine

In response to Russia's 2022 invasion of Ukraine, Finland and Sweden abandoned decades of military neutrality to join NATO, marking a major shift in Europe's security landscape and expanding the alliance to Russia's borders.

A 1983 NATO war simulation provoked the Soviets to prepare for war

The "SNAFU" podcast, hosted by actor and comedian Ed Helms, explores some of the biggest blunders in history. Season one focuses on the 1983 NATO Able Archer military exercise, a war game that simulated nuclear attacks on the Soviet Union. The USSR mistook the exercise for a genuine threat and prepared its forces for war. Helms recounts this almost catastrophic event in world history with his signature humor.

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's Article 5 has been invoked once—after 9/11

The article was invoked the day after the attacks and launched a series of NATO campaigns to fight global terrorism. This page includes excerpts from a speech by then-NATO Secretary General Jens Stoltenberg about the attacks and the organization’s response.

Ukraine has received over $300B in Western military and financial aid

Although not a member of NATO, Ukraine has received substantial support from Western nations, primarily the United States and the European Union, totaling more than $300B in military, financial, and humanitarian assistance.

Testing assumptions about the war in Ukraine, one year later

Two years ago, policymakers in Washington made multiple predictions about the course of the war between Russia and Ukraine. One year later this site revisited several common assumptions about the war—for example, that Russia would swiftly defeat Ukraine—and asks several experts if they came true, or not. But things can always change.

Poland spends the most on NATO (as a share of GDP) at 4.1%, as of 2024

BBC explores how much each NATO member spends on defense and includes a helpful map displaying the defense spending of European countries as a percentage of GDP.

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.

Visualizing cyberattacks by country

Cyber crime is expected to cost the global economy trillions per year by 2025. This data illustration showcases the countries with the most severe cyber attacks from 2006-2020.

86% of the world's 12,321 nuclear warheads are held by just two countries

As of early 2026, the US and Russia together control about 86% of the world's more than 12,000 nuclear warheads—over 9,600 in military stockpiles. None of the seven other nuclear nations holds more than 600.

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.

Fancybear: The state-backed hacker cell

Fancy Bear (APT28) is a Russian-based hacker group that targets a variety of organizations across the globe. Learn how to prevent Fancy Bear.

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.

Some scientists propose AI-powered satellites to monitor nuclear weapons in place of arms control treaties

With the New START treaty expired, researchers at the Federation of American Scientists have proposed using satellites and AI to remotely verify nuclear arsenals—replacing the onsite inspections that once built trust between the US and Russia during the Cold War.

Cold War rivalries fueled fierce competition in international sports

From Olympic medal counts to hockey showdowns, the US and USSR used sports to showcase ideological superiority. Athletic victories were framed as proof that each system—capitalist or communist—produced stronger, more disciplined citizens.

Taiwan's semiconductor dominance

Taiwan is a leader in the production of semiconductors. In the event of a Chinese invasion, what happens if China controls the supply chain for these indispensable materials? How would it affect the United States as well as other nations already dealing with disruptions due to Russia's invasion of Ukraine? This blog explores these questions and more.

Explore the components of autonomous vehicles controls

A suite of cutting-edge hardware and computation-intensive software creates the potential for self-driving cars to be safer, more fuel-efficient, and more accessible to a broader range of drivers. However, automation also introduces potential cybersecurity threats.

The Cybathlon is an international competition for assistive technology

The competition pits teams against each other in eight races targeting different innovations, such as arm prostheses, leg prostheses, and vision assistance. Participants in the Cybathlon use it to push the boundaries of technology, including brain implants and assistive software that incorporates AI.

The CISA’s strategy for secure 5G

CISA, through the National Risk Management Center (NRMC), is leading risk mitigation efforts by working with government and industry partners to ensure the security and resiliency of 5G technology and infrastructure.

Minor technology failures can spiral into massive internet outages

A mix of centralized cloud infrastructure and legacy protocols leaves the internet susceptible to downtime from minor cyberattacks or software bugs, infrastructure damage caused by extreme weather, and human error if a DNS service provider—the internet's phone book—or a backend system, such as Amazon Web Services, were compromised.

Hackers once used 'Fortnite' to clean money from stolen credit cards

Hackers using stolen credit cards would create "Fortnite" accounts and purchase V-bucks, the in-game currency. The hackers would then sell the entire "Fortnite" account on sites like eBay. For instance, an account with $100 worth of stolen V-bucks might sell $25 on eBay.

Davos becomes extremely heavily secured during the WEF

During the annual World Economic Forum in Davos, the city effectively turns into a fortress, guarded by thousands of Swiss army, police, and civil security personnel, with restricted airspace, drone surveillance, snipers, checkpoints, and round-the-clock patrols protecting global leaders.

The Hans Niemann scandal rocked chess in 2023

In 2022, GM Hans Niemann was accused by Magnus Carlsen of cheating—a controversy that led to an internal Chess.com report alleging Niemann “likely cheated” more than 100 times in online games.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

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.

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.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

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

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.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

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.

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.

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.

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

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

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

Poison ivy will likely become both larger and more resilient due to climate change.

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

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

An Ebola vaccine was developed during the 2018 west African Ebola outbreak, but the 2026 Ebola outbreak is with a different species of the virus, not the one that the vaccine is approved to treat.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Massive blooms of microscopic plankton called dinoflagellates produce the neon blue light seen in glowing tides.

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