The first chess game in space ended in a draw in 1970

The space race ended with a handshake in orbit in 1975

On July 17, 1975, American and Soviet astronauts docked their spacecraft during the Apollo–Soyuz mission, symbolically ending the space race and marking the first joint spaceflight between Cold War rivals.

Bobby Fischer’s 1972 victory ended Soviet dominance of chess

In Reykjavik, American Bobby Fischer defeated Soviet champion Boris Spassky to claim the world title. The Cold War showdown drew global attention, breaking the USSR’s 24-year grip on the championship.

Soviet cosmonaut Yury Gagarin was the first human to journey into outer space

In 1961, aboard Vostok 1, the pilot orbited the Earth once for 108 minutes. On his return, he parachuted out of his capsule and landed in a field near present-day Space Conquerors Park, south of Moscow.

The longest official chess game lasted 269 moves and over 20 hours

In 1989, Ivan Nikolić and Goran Arsović played a marathon 269-move match in Belgrade. Lasting more than 20 hours, the game ended in a draw.

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.

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

Hear the story of a cosmonaut stranded in space after the Soviet Union collapsed

When the USSR dissolved in 1991, cosmonaut Sergei Krikalev was still aboard a space station—forcing him to remain in orbit for months longer than planned. This limited podcast series recounts the event, hosted by astronaut and pop star Lance Bass.

Play a space junk collection game

Developed by Astroscale, a company with a contract from the UK to remove satellites from orbit safely, the game enables players to simulate the company's planned COSMIC mission and test their space debris-catching skills.

Watch the Space Olympics from the International Space Station

From "synchronized space swimming" to "weightless sharpshooting," crew members in 2021 competed in microgravity versions of events from the summer Games. The "lack-of-floor routine" featured mid-air gymnastics as astronauts floated through space station modules.

A look at the foods eaten by astronauts during and after the space race

After John Glenn became the first American to demonstrate that eating in space was possible by eating apple puree out of a tube, meals were prepared for astronauts to meet an approximately 2,800-calorie-a-day requirement via freeze-dried foods. Meal quality gradually improved throughout the Apollo program, including the Apollo 8 crew's nondehydrated Christmas meal in 1968.

There are more chess game variations than observable atoms in the universe

Mathematician Claude Shannon estimated there are 10 to the 120th power variations of chess games possible. Known as the "Shannon number," this is more than the estimated number of atoms in the cosmos.

'In life, unlike chess, the game continues after checkmate.'

- Isaac Asimov

The first official World Chess Championship was held in 1886

The inaugural world championship took place across New York, St. Louis and New Orleans in 1886, where Wilhelm Steinitz defeated Johannes Zukertort. Steinitz became the first recognized world champion, establishing the modern era of organized competitive chess.

A 13-year-old Magnus Carlsen challenged Garry Kasparov in 2004

In 2004, prodigy Magnus Carlsen faced reigning world number one Garry Kasparov in a rapid game at age 13. Carlsen held a strong position and nearly defeated Kasparov, signaling the rise of a future world champion.

Has anyone had sex in space?

Reproduction is a basic human function, and while we've spent decades in space, no research has been done into the process. With many discussing the possibility of human-occupied bases on the moon, Mars, and more, understanding how sex works outside...

An 1844 chess match via telegraph anticipated the game's online popularity

The late November match pitted two local rival chess clubs from Baltimore and Washington, DC, against each other. The moves were transmitted over the Baltimore-Washington telegraph line, which had just been installed the previous May.

In 2001, Pizza Hut became the first company to deliver pizza to space

The chain paid the Russian space agency nearly $1M for the promotional stunt, which saw a Russian cosmonaut eat the pizza on video. Other unusual objects to make it to the International Space Station include a gorilla suit, an espresso machine, and several musical instruments.

Chess traces its roots to chaturanga in sixth-century India

The earliest form of chess, known as chaturanga, emerged in India around the sixth century. The game simulated four divisions of the military—infantry, cavalry, elephants, and chariots—and laid the foundation for modern chess’ structure and strategy.

We don't know why astronauts get motion sick

Between 60% and 90% of astronauts get motion sick in space—and many also get motion sick during the first few days upon return. Motion sickness on Earth does not seem to correlate with whether or not astronauts get motion sick in space, so it's not possible to predict who will get ill.

Aboard Challenger, Christa McAuliffe would have been the first teacher in space

The social studies teacher from Concord, New Hampshire, was selected from over 11,000 applicants to NASA's Teacher in Space program. Had the disaster not ended the mission, McAuliffe planned to teach lessons and conduct microgravity experiments in space.

SpaceX's Crew Dragon was the first crewed spacecraft piloted by touchscreen

In May 2020, NASA astronauts flying SpaceX's Crew Dragon to the International Space Station used touchscreen controls instead of traditional switches and dials, a significant shift for astronauts and how they pilot and interact with spacecraft. (Some users may experience a paywall.)

During the Cold War, the Soviet Union created a Eurovision competitor

The Soviet Union was not a member of the European Broadcasting Union, so it couldn't compete in Eurovision. In 1977, it turned a preexisting Polish-language singing competition into one that more closely resembled Eurovision and renamed it Intervision. The competition was open to countries from across the globe, regardless of their form of government, though most entrants were from communist countries.

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.

Where did the term ‘astronaut’ come from?

Astronaut essentially translates to space sailor, though these sailors may be referred to differently depending on their home country. For example, Russian star sailors are called cosmonauts. Though why American, European, Canadian, and Japanese...

'The arts and sciences are avatars of human creativity. It's our attempt to influence things, the universe internal to ourselves and external to us.'

- Mae Jemison (1956-present), the first Black woman in space

Astronauts have repaired genetic damage in space using CRISPR—a molecular tool that can make precise changes to DNA and is used in single-celled organisms to attack invasive viruses.

Before Biosphere 2, the Soviet BIOS-3 system tested semi-closed ecosystems

Built from 1965 to 1972, the habitat hosted 10 experiments with crews ranging from one to three individuals who had their air recycled by algae and grew their own wheat and vegetables. However, dried meats were routinely brought into the facility to balance crew members’ diets.

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

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

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

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

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.

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.

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

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

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

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

While atoms are normally made of protons, neutrons, and electrons, exotic ones have been built with antimatter—alternate versions of normal matter that live for fractions of a second and are about a billion times as rare.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.