The origins of Neil Armstrong's moon landing quote is still debated

Watch the full broadcast of humanity's first walk on the moon

On the night of July 20, 1969, Neil Armstrong stepped down the lunar module's ladder onto the moon's surface. The broadcast was watched by an estimated 650 million people—about a fifth of the then global population.

Watch President John F. Kennedy's speech on going to the moon

On Sept. 12, 1962, President John F. Kennedy set forth this argument for the effort to land humans on the moon’s surface, casting the Apollo mission in terms of historic human ambitions.

Fueled by Cold War competition, the Apollo program put humankind on the moon

Despite the US starting the space race behind the Soviet Union, which had put a cosmonaut into space in 1961, the successful landing of Apollo 11 on the moon in 1969 was seen as a defining victory for America.

An oral history of the 1969 moon landing

Twelve Central Illinois residents are asked to share their thoughts on where they were when the first people landed on the Moon. This almost one-hour program is a collaboration of Eastern Illinois University's Booth Library, the EIU Department of History, and WEIU, and it premiered at EIU's Booth Library, January 24, 2019.

Hear how the first moon landing was saved

This podcast series explores Apollo 11 through firsthand stories from the engineers, mission controllers, and astronauts who made the moon landing possible, culminating in 13 minutes of NASA archive audio leading up to the landing.

Astronauts agree: The moon smells like gunpowder

Twelve astronauts have walked on the moon to date, and they all agree that our lunar neighbor smells like gunpowder. Scientists argue this scent comes from unstable minerals that cling to their suits and the rocks they return to the ship. Notwithstanding, space itself has a different smell, often compared to steak or metal, which experts believe, rather poetically, is the smell of dead stars.

Scientists used to speculate about life on the moon

In the 17th century, Galileo's observations suggested the moon could be inhabited, leading to fictional speculations about lunar life. In the 19th century, stories were published claiming the discovery of various creatures, including human bats. The Apollo missions in the 20th century explored the possibility of life there, but further exploration showed this idea to be less likely than before.

Explore a deepfake speech of an alternate reality where Apollo 11 failed

As the Apollo 11 astronauts prepared for their journey to the moon, two speeches were drafted for President Richard Nixon: one to be delivered upon the astronauts' success and another to comfort the public in case of failure. This interactive explores the creation of a believable version of the latter.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

Why some people say the moon is made of cheese

Mental Floss digs into the history behind the fable, which dates back as far as the 1500s, when it was mentioned in "The Proverbs of John Heywood." Even NASA has gotten in on the joke, tweeting a (supposedly) doctored photograph showing the moon's expiration date.

How NASA plans to build a lunar base, from roads to habitats

The Apollo program aspires to return humans to the moon—and to build humanity's first permanent habitat on its surface. The project involves complex construction plans, including creating roads from moon dust, baking bricks to build habitats, and more.

'On the return trip home, gazing through 240,000 miles of space toward the stars and the planet from which I had come, I suddenly experienced the universe as intelligent, loving, harmonious..'

-Apollo 14 astronaut Edgar Mitchell, in "The Way of the Explorer"

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.'

The most famous lines of the 'I Have a Dream' speech were improvised

Though largely scripted, Martin Luther King Jr. shifted off text mid-speech after gospel singer Mahalia Jackson called out, “Tell them about the dream, Martin,” prompting the improvised passage that became the most iconic moment of his public legacy.

O'Neill cylinders are free-space habitats that spin to create artificial gravity

Popularized in the 1970s by Princeton physicist Gerard K. O'Neill, the 15-mile-long structures would be manufactured from lunar and asteroid materials and house human colonies. His space colony ideas have since influenced works of science fiction.

The moon is moving 3.8 centimeters farther away from Earth each year

Driven by tidal forces, the effect is minimal and slow, ensuring stable tidal patterns and lunar cycles. Earth's rotation slows down as the Moon gains orbital momentum, slowly lengthening the day over time.

A quote by Howard Hughes

"Do the impossible, because almost everyone has told me my ideas are merely fantasies."

In the '60s, Bob Dylan often trolled the media, mocking its focus on celebrity

This 1965 press conference, just before the release of the landmark "Bringing It All Back Home," illustrates how fed up he'd become, laughing at inane questions and offering snide responses. When asked if he thinks of himself more as a singer or as a poet, he responds, "I think of myself more as a song and dance man."

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

The words of Truth's Akron speech are disputed—compare the two versions

There are two versions of Truth's Akron speech: one written shortly after by a white abolitionist, and the other published 12 years later. The later version added a southern dialect and the phrase "Ain't I a Woman?"—raising questions about its authenticity.

A popular tag in World War II announced 'Kilroy was here'

The graffito appeared seemingly everywhere throughout the 1940s and followed a similar pattern: A man with an oversized nose peering over a ledge, with the phrase written below it. Scholars believe it was an American form of similar tags that appeared in Australia and England, making "Kilroy" a meme long before the word had entered the lexicon.

Some claim the Wrights weren’t first in flight

Their scientific and engineering achievements aside, the Wrights’ claim to be first in flight is debated—and rejected—by some in the industry. Other early pioneers like Gustave Whitehead or Alberto Santos-Damonto are said to deserve the title.

Dozens of common phrases are attributed to Shakespeare

His clever wordsmithery infiltrated English, from “Neither rhyme nor reason” to “In my heart of hearts.” This article lists nearly two dozen of his best-known phrases.

Elon Musk's will to launch: the early days of SpaceX

Radically reducing the cost of rockets and innovating totally new space vehicles originated in the singular force of Elon Musk's vision. In this podcast, Founders creator David Senra shares what he learned reading a book about SpaceX's beginnings, highlighting Musk's audacious refusal to follow industry conventions and promotion of a culture of action and speed. Learn more insights from the founder here.

The commander of the Challenger mission began his career as a mechanic in the Air Force

Lt. Col. Dick Scobee began his career as an Air Force aircraft mechanic, later becoming a Vietnam combat pilot, test pilot at Edwards Air Force Base, and ultimately the commander of Challenger's STS-51L mission.

Internet sleuths solve secret message on Perseverance rover’s Mars parachute

In 2020, the Perseverance Rover landed on Mars, sending a message for the folks back home on its parachute. It took fewer than six hours for the Internet's collective forces to decode the secret slogan hidden in the parachute's colors and patterns, as well as the geographic coordinates of the earth-bound place where rocketry was perfected.

Robert Browning memorialized the marathon myth in a 19th-century poem

The story of Pheidippides is not likely true, but that hasn’t stopped the story from spreading. Much of that is thanks to Robert Browning, who enshrined the myth for a new generation in a 1879 poem that described the man dying after delivering word of the victory.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

See the most iconic photos from four decades of LIFE magazine

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

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.

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

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

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.

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

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

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.