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Have you ever heard of an invertebrate that spends its whole life inside another animal? What about a beetle that spends most of its life undergrou...

In the autumn of 1912, the football team from Carlisle Indian Industrial School took the field at the U.S. Military Academy, home to the bigger, st...

Why do we yawn? Are left-handed people more creative? Why do we have fingerprints? When it comes to our bodies, there are a whole lot of questions ...

How did life begin? How many species are on our planet? Can we bring extinct species back to life? When it comes to life on our planet, there are a...

How did life begin? How many species are on our planet? Can we bring extinct species back to life? When it comes to life on our planet, there are a...

How did Earth form? Where did all the water come from? How did Earth’s plates begin to shift? When it comes to our planet, there are a whole lot of...

Why do we yawn? Are left-handed people more creative? Why do we have fingerprints? When it comes to our bodies, there are a whole lot of questions ...

How did Earth form? Where did all the water come from? How did Earth’s plates begin to shift? When it comes to our planet, there are a whole lot of...

What happened to the people of the Roanoke Colony? Why did the crew of the Mary Celeste abandon ship? Who wrote the mysterious Voynich Manuscript a...

How can massive stones slide across the desert untouched? Can lightning really bounce like a ball? Why was it raining fish in Europe in 2004? Natur...

Calling all nature lovers! These unique projects will help you explore nature like never before. Use bits of nature to create your own journal pape...

Why did robbers steal precious works of art from Boston's Isabella Stewart Gardner Museum in 1990? In 2005, how did thieves in Amsterdam pull off t...

¡Escucha! ¿Oyes un ruido de cascos por el suelo del bosque? Un destello blanco sale de entre los árboles. Un cuerno largo brilla como una corona so...

From old shipwrecks to new ocean creatures, underwater robots have made exciting discoveries! What technology do these robots have? How do they wor...

From the microorganisms living in your mouth to Earth’s vast oceans, our world is full of ecosystems both big and small. Have you ever wondered how...

The Cheetah is on the hunt in the Gotham City Natural History Museum. She pounces on her prize, an ancient necklace fabled to grant its wearer incr...

Join intrepid explorer Benjamin Blog and his inquisitive dog Barko Polo as they travel to one of the world's most fascinating countries: the United...

From the microorganisms living in your mouth to Earth’s vast oceans, our world is full of ecosystems both big and small. Have you ever wondered how...

Listen! Do you hear the clomping of hooves upon the forest floor? A flash of white bursts from behind a tree. A long horn shines like a crown upon ...

In Unlocking the Power of Academic Vocabulary, Dr. Yu Ren Dong, an associate professor of English education at Queens College, City University of N...

Use this book as a guide to teach close reading. Each standards-based lesson includes: Complex informational text that is grade-level appropriate; ...

From old shipwrecks to new ocean creatures, underwater robots have made exciting discoveries! What technology do these robots have? How do they wor...

The Cheetah is on the hunt in the Gotham City Natural History Museum. She pounces on her prize, an ancient necklace fabled to grant its wearer incr...

When Katie Woo's grandpa takes Katie and JoJo to the aquarium, the girls rush from tank to tank. From sharks to otters to turtles, the girls love a...