In 1938, 1.7 million people were fooled into believing a Martian invasion was underway because of a radio play

Orson Welles' 1938 broadcast of 'War of the Worlds' invoked real panic

The raconteur's teleplay of HG Wells' 1898 science fiction novel presented the plot as a news broadcast, leading some listeners to believe that New Jersey was being invaded by Martians. This retrospective from the National Endowment for the Humanities unpacks how he made it happen, and the media fallout that ensued.

Many scholars consider the first commercial radio broadcast to be during the 1920 presidential election

On Nov. 2, Pittsburgh, Pennsylvania, station KDKA broadcast the results of the presidential election. Leo Rosenberg delivered the news that Warren Harding had won in a landslide to an audience of around 100 people.

The perplexing Battle of Los Angeles in 1942 generated swaths of UFO conspiracies

On Feb. 24-25, 1942, weeks after the Pearl Harbor attack, a US military radar warned of enemy aircraft. A citywide blackout went into effect, powerful searchlights were lit up, and US forces fired artillery at what they believed to be the enemy. However, no confirmed enemy planes were ever identified. Eyewitnesses reported seeing large objects flying overhead, and much of the public speculated about UFOs and extraterrestrial attacks.

Although not known for horror, a young Tennessee Williams wrote a gothic radio play

The "Streetcar Named Desire" author wrote "The Strangers," a short script, while a student at the University of Iowa in the 1930s. Andrew Gulli, managing editor for the literary magazine that published the unearthed piece, said that it blends classic '30s radio horror with themes Williams would revisit in later, more famous work.

How one silent movie came to define science fiction

Fritz Lang's 1927 epic "Metropolis" set the template for much of the science fiction that followed, establishing themes that would come to define the genre through films like "Star Wars" and novels like "Brave New World." This short documentary from DW digs into the history of the film and its long-lasting impact.

Some 19th century astronomers thought Mars was inhabited

As telescope technology advanced, astronomers became able to observe the surfaces of objects in our solar system with greater detail. The dips, valleys, and lines crisscrossing Mars, particularly, captured onlookers' imagination, leading some to speculate that the seemingly organized features could only have been created by an intelligent civilization.

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.

A scientist debunks theories for why aliens might invade Earth

While TV and films offer common tropes for why aliens would invade Earth, many of those reasons aren't actually feasible. For example, a species with technology advanced enough to allow it to travel between planets likely doesn't need to enslave flawed humans to carry out its labor.

Radio quiz shows took off in the '40s

The concept took hold during the Great Depression, with 50 shows on the air by 1940, because they allowed families to imagine a financial windfall was just a few questions away. Although the genre had a slight downturn during World War II, it experienced a resurgence by the end of the decade, with 200 shows on the air.

Reports of a recording of Whitman's voice are said to be a hoax

A recording of Whitman reading a portion of his poem "America" has been mass-produced and broadcast, but the Library of Congress and other scholars say the recording is a hoax.

'Dr. Strangelove' is widely considered the best satirical film

Stanley Kubrick’s satire about nuclear war came just two years after the Cuban Missile Crisis and spoke to Americans still coming to terms with the possibility of nuclear annihilation. In 1989, the Library of Congress included it among the first 25 films preserved in the National Film Registry, a repository for the greatest achievements in cinema.

Sartre panned 'Citizen Kane'

Jean-Paul Sartre was primarily known for his philosophy, fiction, and drama, but he was also a critic. In 1945, he wrote a rather negative review of Orson Welles' "Citizen Kane," deriding Welles' decision to tell the story in the past tense, writing, "film in the past tense is the antithesis of cinema. Therefore 'Citizen Kane' is not cinema."

The “Phoney War” was an eight‑month build-up to war

From September 1939 to May 1940, following their war declaration on Germany, Britain and France entered a phase of military inaction—even as civil defence measures, naval blockades, and rationing intensified at home. Skirmishes were limited, but the decisive fighting didn't begin until Germany invaded Norway and France in April–May 1940, abruptly ending the uneasy stalemate.

Before it was a popular book, 'A Hitchhiker's Guide to the Galaxy' began as a radio series

The science-fiction comedy began as a radio play on BBC Radio 4, broadcast between 1978 and 1980. The first novel appeared in 1979; two years later, it was adapted for television.

Manhattan Project explained

Driven by fears of a Nazi nuclear bomb, the Manhattan Project united leading scientists to build the first atomic weapons. Its success ended World War II, caused catastrophic human loss, and launched the nuclear age that reshaped global politics and science.

A book series aimed at World War II soldiers helped popularize works like 'The Great Gatsby' and 'Of Mice and Men.'

In 1957, the BBC conducted one of the first televised April fool pranks

The reputable broadcaster reported a story about a family in southern Switzerland harvesting spaghetti from a "spaghetti tree." Some viewers didn't appreciate the joke and felt angry about being misled.

Why Edwin Armstrong developed FM radio

AM radio was popular but prone to interference and static, which could be frustrating for listeners. In 1933, Armstrong, a Columbia University professor, discovered that a clearer signal could be broadcast by revising how it was captured.

Hollywood's efficient response to the Spanish flu made it a filmmaking destination

In 1918, the Great Influenza epidemic killed more than 675,000 Americans. Los Angeles was one of the first cities to shut down movie theaters, most of which were independently owned and couldn’t afford the revenue loss. The results were twofold: the quick response meant that Hollywood could bounce back faster than other film hubs, and it also contributed to the rise of vertical integration as studios stepped in to purchase the flailing theaters.

Ed Sullivan launched Beatlemania in America

By 1964, The Beatles were relative unknowns in the US, due to Capitol's lukewarm support. That changed when they were booked on The Ed Sullivan Show, a popular program that hosted Elvis Presley's breakout performance. The Beatles' appearance introduced them to an American audience.

The board game Risk was created by an Academy Award-winning screenwriter.

The 2012 Maya-predicted apocalypse didn't really stem from the ancient Mayans

On Dec. 20, 2012, fears of a Mayan-predicted apocalypse gripped Earth, causing panic in some parts of the world, including the stockpiling of vodka in Russia. In this podcast, Maya expert David Stuart—who helped translate some of the relevant Mayan texts—debunks the notion, arguing the Mayan calendar's end marked a cycle, not doomsday.

The widespread violence of World War I birthed surrealism

Following World War I, artists used unconventional forms of expression to make sense of the death and destruction they'd witnessed for years. Life as they knew it had ended, and movements like Surrealism, founded by André Breton, rebelled against tradition.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

The story of the 1945 Minnesota Starvation Experiment

Amid the severe conditions of World War II, researchers were eager to learn the effects of starvation in a controlled study. This podcast dives into a yearlong study of 36 men at a Minneapolis college who endured a six-month period of semi-starvation, where their caloric intake was halved. Results from the experiment became a landmark study in human starvation.

In 2024, deepfake audio of London Mayor Sadiq Khan nearly caused real-world disorder

The audio included incendiary remarks related to the ongoing Palestinian protests and played on the public's preexisting political biases. The technology has since destabilized the concept of truth in elections, where politicians blame the use of real gaffes on AI and deepfakes to spread misinformation.

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

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.

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.

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.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

How the most famous Ebola book, The Hot Zone, which sold 3.5 million copies and was translated into 30 languages, got aspects of the disease so wrong.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Watch a 1934 short film starring jazz legend Cab Calloway, a major figure in the Harlem Renaissance's music scene

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

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.

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.

Brian Wilson wrote the Beach Boys' 'Don't Worry Baby' for the Ronettes, but the legendary girl group rejected it.

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

Planeterrellas create artificial auroras that mimic the atmospheric displays of light by setting up an electric field between two metal balls in a jar filled with a small amount of air.

Exploring the Larry Bird punch that almost changed March Madness

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

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

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.