Children’s / Teenage general interest: Nature, animals, the natural world

Los tigres con dientes de sable se han extinguido durante miles de años, pero una vez fueron los depredadores de sus vecindarios.

Vivid photos and up-to-date information teach readers about Mars, including details on climate and geography, how scientists have explored the planet, and what they hope to find out about Mars in the future.

Each year, butterflies, whales, and many other animals travel long distances in search of better food, weather, and more.

What animal flies, has sharp claws, and hangs upside down to rest?

Earthquakes can destroy entire cities in mere minutes and send shock waves rippling around the world.

Animals and plants all over the world are struggling to survive.

Have you ever seen an apple blossom?

¡Explora el increíble mundo de los camaleones del bosque lluvioso!

Dive beneath the waves to meet the crab, fish, turtles, whales, and seaweed that live in the ocean habitat.

After arguing with his best friend about which game to play, a boy decides it's time to find a new best friend.

Bibbit is a little frog who sometimes forgets how to swim-but he's a jumping expert.

A small, fierce dinosaur follows its nose.

Sharks-sleek, fast-moving predators with powerful jaws-can take care of themselves, right?

Of all the stray cats in Israel, a kitten sits high in a tree above girders, beams, cement mixers and cranes.

With the fossil fuels powering cars, trains, and planes harming the environment, scientists will have to find new ways to power vehicles.

The dry ground cracks.

Enter the arena to take on one of the greatest debates in hockey fandom: who are the greatest players of all time?

A mother elephant describes all the activities that she and her baby do together.

An older sister encourages her younger brother, Carlos, to watch a fascinating lightning storm.

Robots help us understand our universe.

Hop!

Isaac Newton's youth was marked by constant curiosity.

Readers follow along as the moon shifts from new to full and back again, learning the words for each lunar phase and how the sun's light creates the moon shapes they see in the sky.

What do a penguin, a pigeon, and a peacock have in common?

Deep in the Central African Republic, forest elephants trumpet and rumble along with the forest's symphony.

With such small, thin wings, it's hard to imagine dragonflies flying long distances.

What is a powerful weather tool?

Antonyms are opposites-/they're words like stop and go.

Agnes has a beak that can crush bones and arms and stretch wide as a car-but that doesn't make her a monster!

Did you know scientists perform hundreds of experiments in space each year?

Minerals are fascinating resources that have a variety of uses.

What do a sea turtle, an iguana, and a python have in common?

Did you know space stations have orbited Earth for decades?

Follow along with Garfield as he explores breakthroughs in technology, from the earliest stone tools to modern times, when silicon computer chips and GPS are commonplace.

It's Lily's turn to say the Four Questions at the Passover Seder, but nobody will help her practice.

Come along on an out-of-this-world journey with Chico Bon Bon in this rollicking new adventure from author and illustrator Chris Monroe.

What can you engineer from recycled materials?

Parachutes can be used for emergency landings.

From a budding bulb to a sure sign of spring, there are many steps in the life cycle of a tulip.

Could there be other planets in the universe similar to those in our solar system?

What happens when a young elephant steps on a buried land mine?

On Earth Day, we find ways to help the Earth.

Animal lovers will adore these hands-on projects, which use recycled materials to make animal-themed crafts.

Why do plants have flowers?

El Velocirraptor era un basurero deshilvanado.

Strawberries start as tiny seeds and grow into sweet, bright red fruit.

Paulie the moos-ician can hardly wait to host a Passover seder for his friends.

Alexandra Crane is terrible at following her family in their flying Vee.

In addition to speaking about challenging scientific topics for a variety of news sources, Neil deGrasse Tyson is director of a New York planetarium, hosts a science podcast, and has a following of more than three million on Twitter.

What is an amphibian?