19. The largest known prime number contains 41,024,320 digits. 20. Frogs breathe and drink through their skin. 21. A bullet ...

Science is supposed to make the world feel more understandable, but sometimes it does the opposite. Ancient viruses frozen in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

By one calculation, spending on AI accounted for 92 percent of America’s GDP growth in the first half of 2025. This year, a ...

The moments that catch us off guard --- like nearly getting into an accident or suddenly noticing the vastness of the night ...

Facts About the Solar System: The solar system is a collection of celestial bodies held together by the sun's gravitational pull. Our solar system is located in the Milky Way galaxy. The solar system ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Test your science knowledge by taking the interactive quiz. The short quiz tests your knowledge of questions recently asked in a national poll. After completing the quiz, you can compare your score ...