Identical twin brothers marry twin sisters in double wedding—and honeymoon together

Explore Lewis and Clark's 8,000-mile journey in Google Earth.

Streaming service Netflix's sound logo 'Tudum' was designed as a key sonic differentiator.

The US has discontinued a variety of different currency denominations over the years—including a $100K bill.

In 1962, the US detonated a nuclear weapon in space, which produced an electromagnetic pulse that disabled three low Earth orbit satellites and damaged electrical equipment in Hawaii.

Joan Didion interviewed The Grateful Dead in 1967, before they became music icons.

Lake Sørvágsvatn sits about 32 meters (105 feet) above sea level, but the taller surrounding cliffs create an optical illusion that makes it appear to float much higher above the ocean.

See where your state ranked in an analysis of the best public school systems in the US.

Semaglutides, which belong to a class of drugs called GLP-1s, are prescribed for weight loss in combination with diet and exercise because they trigger the release of the appetite-suppressing hormone incretin.

Play the role of a student as you try to navigate college and remain debt-free.

There are 'YouTube camps' that teach children how to create content for the video platform.

Here are some tips from Pew Research to help you distinguish between a good poll and an unreliable one.

Washing dishware before putting it in a dishwasher may reduce the appliance's effectiveness because it dynamically adjusts wash time and temperature based on a sensor that detects dirtiness.

'Tulip mania,' the 1630s Dutch craze where rare bulbs were briefly traded like luxury assets, may have been the first financial bubble—and it still shapes markets today.

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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

Explore the history of American restaurants through an archive of menus dating back to the early 1800s.

Fecal transplants can help treat infections by transplanting healthy gut bacteria from a donor into a patient's gastrointestinal tract using samples of human waste, which are turned into a liquid mixture and often delivered via a colonoscopy procedure.

The final shots of the Civil War were fired in the Arctic over 2 months after the South's surrender.

The US jobs projected to shrink the fastest over the next decade include typists and word processors.

Located on Ross Island in Antarctica, Mount Erebus is the southernmost active volcano on Earth and features a lava lake—one of eight known worldwide as of 2026—that erupts regularly.

Explore an interactive timeline of Earth's 4.5-billion-year history to visualize shifting landmasses and oceans, view the locations of significant asteroid impacts, and learn about major geological and biological events.

The average banana produces one positron—the antimatter counterpart to an electron—every 75 minutes as its trace amounts of radioactive potassium decay.

Author David Foster Wallace's 'This Is Water' speech provides guidance for adulthood.

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

Watch a visualization of what it would look like to move along Earth's surface as fast as the International Space Station, or about 23 times the speed of sound.

If the moon were less than one-twelfth its current distance from Earth, the planet's tidal forces would overcome the moon's internal gravity, tearing it apart and forming a ring of debris.

As part of the up to 15 pounds of seafood they consume daily, sea otters eat urchins that feed on kelp forests—sources of shelter and food to over 800 species—thereby making the marine mammal a keystone species.

On a cruise ship, the average person uses about 50 gallons of water a day, which is treated by bacteria and onboard filtration systems, then stored until the ship can legally discharge the wastewater.

The Aztec Empire ruled over 80,000 square miles of central Mexico for nearly a century—until a small band of Spanish conquistadors brought it down in 1521.

There are up to 100 trillion microbes in the gut, and maintaining the relative balance in this ecosystem is important for our health.

Explore the 2025 Uber Lost & Found Index to find out the weirdest items that passengers left behind in Ubers last year, from ten live lobsters to a mannequin head with human hair.

Explore a detailed map of Odysseus' fictional journey from 'The Odyssey.'

Examine this captivating animation 'building' a human—illustrating the roughly 40 weeks of fetal development.

Simulations suggest that a paper airplane launched from the International Space Station would maintain its orientation and gradually descend for 3.5 days before chaotically tumbling down and burning up.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

Pregnancy makes someone more attractive to the mosquito species that transmits malaria.

Relax to a livestream of brown bears chilling in Katmai National Park in Alaska.

Plato's famous allegory of the cave is a metaphor exploring the value of truth over ignorance.

Explore a collection of famous literary maps, including original images from 'Treasure Island,' 'The Swiss Family Robinson, ' and 'Walden.'

Give your memories a place to live and explore the personal stories left by strangers, tied to specific locations, in this interactive map of the world.