Explore Wonders | Find: universe...

Where Is the Edge of the Universe?

Today’s Wonder of the Day will take you right up to the edge!

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Where Is the Edge of the Universe?

Is There Such a Thing as a Parallel Universe?

Today’s Wonder of the Day might have you WONDERing whether it’s real or imaginary!

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Is There Such a Thing as a Parallel Universe?

What Is Infinity?

What do pi and the ends of the universe have in common? Find out today when the Wonder of the Day goes on and on and on and on and on and…

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What Is Infinity?

How Many Stars Are In the Universe?

You can count some things on your fingers and toes, but there aren’t enough fingers and toes on Earth to count what we’re counting in Wonderopolis today!

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How Many Stars Are In the Universe?

What's the Biggest Thing You Can See?

Today’s Wonder of the Day is huge. We’re not kidding. It’s so big you’ll have to see it to believe it!

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What's the Biggest Thing You Can See?

How Many Worlds Are There?

Do you ever look up at the sky and WONDER, “What’s out there?” Join us today for a trip out of this world!

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How Many Worlds Are There?

How Do Scientists Explore the Solar System?

We hope you’ll think today’s Wonder of the Day is out of this world!

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How Do Scientists Explore the Solar System?

What Is a Black Hole?

Hope you brought a flashlight! Today Wonderopolis is heading into outer space to explore the deep, dark depths of the mysterious black hole.

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What Is a Black Hole?

What Is a Supernova?

Today’s Wonder of the Day isn’t just super...it’s a supernova! Join us for a journey through outer space to see what happens when stars run out of fuel.

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What Is a Supernova?