Anacondas are the heaviest snakes in the world! These big snakes use their bodies to squeeze their prey. Anacondas can be as long as a bus and can stay underwater for a long time while hunting. Slither towards the facts on these powerful snakes.

From tennis legend Billie Jean King to the U.S. Women's Soccer Team, athletes have fought for equity and fairness for women in professional sports. Discover the pro athletes who have used their platform to speak out and affect change for all women.

From tennis legend Billie Jean King to the U.S. Women's Soccer Team, athletes have fought for equity and fairness for women in professional sports. Discover the pro athletes who have used their platform to speak out and affect change for all women.

Dry land. Thirsty plants. When rains don't come, droughts happen. Desert, forest, or prairies--droughts can happen anywhere. Discover how small shifts in rain amounts can cause big changes to the land. Learn about droughts, what causes them, and how living things adapt to survive.

Dry land. Thirsty plants. When rains don't come, droughts happen. Desert, forest, or prairies--droughts can happen anywhere. Discover how small shifts in rain amounts can cause big changes to the land. Learn about droughts, what causes them, and how living things adapt to survive.

Giant tortoises can live for more than 100 years! These enormous creatures can also weigh a lot--more than 16 bicycles piled together. Find out all the facts about these peaceful island creatures.

Giant tortoises can live for more than 100 years! These enormous creatures can also weigh a lot--more than 16 bicycles piled together. Find out all the facts about these peaceful island creatures.

Gorillas are the largest primates in the world! These gentle mammals roam through the jungle, living in big groups as they search for fruit and bamboo shoots to eat. Climb through the trees to learn all about these strong, social primates.

Great white sharks are the largest predatory sharks in the sea! They live all over the world, have many sharp teeth, and can smell blood from miles away. Dive deep into the ocean, and find all the facts about these incredible sharks.

Many animals, both big and small, sleep through long, cold winter months. Learn the process of hibernation and different ways animals adapt to survive in harsh climates.

Hippos are one of the largest land mammals in the world! These big vegetarians prefer to spend their time in the water. Readers will enjoy learning more about hippos with exciting facts and vibrant photos.

Did you know jellyfish aren't really fish? These invertebrates have been around for millions of years. With easy-to-read facts and colorful photos, readers will enjoy discovering all the details about these interesting animals.

Did you know jellyfish aren't really fish? These invertebrates have been around for millions of years. With easy-to-read facts and colorful photos, readers will enjoy discovering all the details about these interesting animals.

Jumping spiders aren't like other spiders. They don't need spider webs to trap prey. They just jump on them! Get more exciting details about these fascinating creatures.

Jumping spiders aren't like other spiders. They don't need spider webs to trap prey. They just jump on them! Get more exciting details about these fascinating creatures.

From butterflies to sunflowers, each living thing follows a life cycle. Uncover the facts of both animal and plant life cycles, and learn how people's actions can impact them.

Macaws are among the most colorful members of the parrot family. These smart birds live in the rain forest. They use their bony tongues to crack into nuts and seeds. Find out more about these fancy fliers!

Macaws are among the most colorful members of the parrot family. These smart birds live in the rain forest. They use their bony tongues to crack into nuts and seeds. Find out more about these fancy fliers!

Mambas can be either green or black. These dangerous snakes kill prey with their venomous bite. Then they swallow their prey whole! Learn more about these awesome snakes.

Mambas can be either green or black. These dangerous snakes kill prey with their venomous bite. Then they swallow their prey whole! Learn more about these awesome snakes.

Zebras travel across the Kalahari Desert each spring in search of food. Whales swim to warmer water every winter. Take a journey to discover the wonders of migrating animals, including why they migrate and how far they travel.

Pangolins' bodies are a rare sight. They have scales, spikes, and claws! Bright photos bring these unusual mammals to life. Readers will follow along with easy-to-read text and will enjoy learning all they can about pangolins.

Pangolins' bodies are a rare sight. They have scales, spikes, and claws! Bright photos bring these unusual mammals to life. Readers will follow along with easy-to-read text and will enjoy learning all they can about pangolins.