The ghost-hunting industry helps maintain historical buildings

Although the moon passes between the sun and Earth each month, its orbit is tilted by five degrees, preventing Earth from experiencing a solar eclipse each month.

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

Watch a two-year time-lapse of a pinecone seed transforming into a pine tree.

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

Explore how the most commonly used words in the English language have changed from the 1950s to 2023.

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.

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

Watch an animated visualization of how the Large Hadron Collider works, including how particles are accelerated through a series of machines and how collision data is collected and distributed worldwide.

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.

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

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.

Emanuel Leutze's painting 'Washington Crossing the Delaware' is one of the defining images of the Revolutionary War.

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.

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

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.

Watch footage from the moments the Titanic wreck was discovered by a joint US-French research team in 1985.

On planets in systems with two stars, such as the fictional Tatooine from 'Star Wars,' observers would see overlapping rainbows and double rainbows.

The collapse of gas bubbles in the joint synovial fluid causes 'cracking' knuckles.

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

Watch what would happen if you literally had all the money in the world.

Watch the many different civilizations around the Mediterranean shift power from the year 2500 BCE to 0 BCE in this animated map.

See a 3D reconstruction of Tenochtitlan, the Aztec capital

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

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.

Peek into the love lives of thousands of strangers whom Stanford University researchers have been tracking since 2017 on this interactive page.

The world's largest waterfall is in the ocean and is more than three times the height of Angel Falls, the largest waterfall on land.

Find out how important you are to AI tools when they generate text responses with this tool, which estimates the weights of people's names.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

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.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

Explore the wineries of Napa Valley with an interactive map of its hundreds of wineries, vineyards, and tasting rooms.

Explore (and debunk) the world's most contagious misconceptions—from the 5-second rule to sugar rushes—on this interactive site. Click on each misconception for further evidence.

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

'Bibliotherapy' is of increasing interest as a way to improve mental health and help navigate complex life situations—with people immersing themselves in the experiences of fictional characters or nonfiction and self-help books to find relief and gain personal insights.

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

Abraham Lincoln had to sneak into Washington, DC, in disguise for his 1861 inauguration after a detective uncovered a plot to assassinate him in Baltimore.

See a breakdown of how some of the most common food items are traded across the globe, including the key trade relationships for each item.

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

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