Have You Ever Wondered... What are your odds of winning the lottery? Is playing the lottery a wise financial decision? How much was the largest jackpot in world history?

Have You Ever Wondered... How does an engine work? What is internal combustion? What are the four phases of the combustion cycle?

How Do Dolphins Use Echolocation?D o you love dolphins? When it comes to marine mammals, dolphins have cornered the market on cuteness. Their faces seem to possess a knowing smile that never fades ...

Do Dogs Really Eat Homework?Y ou have a big, important homework assignment due tomorrow, but you're not stressed. You made good use of your study time at school and completed over half of it. When you ...

Do you have a new spring in your step today? Join us in Wonderopolis as we explore the science behind the vernal equinox!

Have You Ever Wondered... How did the months of the year get their names? Have years always started in January and ended in December? What is the Gregorian calendar?

Today’s Wonder of the Day was inspired by Camille. Camille Wonders, “ How did what get from the ocean to your water faucet ” Thanks for WONDERing with us, Camille!

Why Are They Called Daddy Longlegs?D o you like creepy - crawlies? Some kids freak out when they see a spider or a scary insect. Others, though, are fascinated by them and love to catch them to study ...

How Hot Is the Sun?T he sun that heats our planet and brings life to everything on Earth is a big ball of gas. Those gases are mostly hydrogen and helium, but the sun also contains small amounts of ...

Why Do You Have To Pay Taxes?E very year around April 15, you'll hear adults of all ages groan about “tax day." That's because federal and state income tax forms are due around that time. But have you ...

Have You Ever Wondered... What would Earth be like without the Sun? What would happen to Earth if the Sun suddenly disappeared? How long could humans survive on Earth if the Sun went out?

Today’s Wonder of the Day was inspired by katelyn. katelyn Wonders, “ who discovered electricity ” Thanks for WONDERing with us, katelyn!