The spectacular Great Barrier Reef is the largest coral reef in the world. There are more than 10...
Did you know that Groundhog Day comes from a tradition called Candlemas? Punxsutawney Phil is the...
Giraffes are the tallest animals on land. They can grow to be 18 feet (5.5 meters) tall and weigh...
Sphynx cats have almost no hair, making them feel like fuzzy peaches. They have big ears, big eye...
Roadrunners are part of the cuckoo family. Greater roadrunners are the most widespread and well-k...
Lewis Hamilton races in Formula One (F1), the highest category of single-seater car races. He is ...
This series introduces young readers to key groups and individuals who helped shape the United St...
Did you know that crabs have hard shells that cover their bodies? These shells protect them in wa...
Did you know that all giraffes have spotted coats? Each giraffe's spots are different, like a per...
Did you know that blue whales are the largest animals that have ever lived? They can grow more th...
The Gods and Goddesses of Greek Mythology series introduces young readers to the captivating worl...
Did you know that the world's largest natural cave is in Vietnam? Hang Son Doong can be found in ...
Did you know that great white sharks have a very powerful sense of smell? They can smell the anim...
Did you know that hyenas make a loud noise that sounds like laughter? This sound can be heard up ...
The Inside Major League Soccer series gives readers an inside look at the soccer teams that play ...
Did you know that the USS Arizona sunk when Pearl Harbor was attacked? The USS Arizona Memorial i...
Did you know that cheetahs have to black team marks below their eyes? These marks act like sungla...
Mars is one of the most explored planets in our solar system. Machines called probes and rovers t...
Did you know that hippos spend up to 16 hours a day in the water? They even sleep in the water. L...
Remarkable Women explores the lives of some of the world's best-known women. Highlighting the lif...
The Inside Major League Soccer series gives readers an inside look at the soccer teams that play ...
Satellites use special scientific instruments to look down at Earth. Some of these instruments in...
Did you know that orangutans have reddish-orange fur and long arms? There are three types of oran...
Did you know that whale sharks are the biggest fish in the world? These gentle giants are found i...
Did you know that the first reggae music was made in Jamaica in the 1960s? The earliest reggae ar...
Did you know that octopuses have small cups called suckers on their arms? They use their suckers ...
Did you know that K-pop is another way to say 'Korean pop'? This music mixes Korean and American ...
Did you know that the NATO phonetic alphabet uses words instead of letters? This makes it easier ...
This series introduces young readers to key groups and individuals who helped shape the United St...
The Gods and Goddesses of Greek Mythology series introduces young readers to the captivating worl...
Did you know that rhinos love to roll in the mud? Mud baths help keep rhinos cool. Learn more abo...
Rally racing combines motorsport with bold adventures. Rally races can be run on public roads or ...
Did you know that the Medal of Honor is one of the most important U.S. military symbols? It is th...
The Inside Major League Soccer series gives readers an inside look at the soccer teams that play ...
Touring Car Racing (TCR) is a popular sport worldwide. Australia, Great Britain, Germany, Sweden,...
Did you know that a spinner dolphin can jump out of the water and spin like a top? It may spin up...
The sky is divided into 88 official constellations, as set by the International Astronomical Unio...
Did you know that sea otters have the thickest fur of any animal? Their fur keeps them warm in co...
Did you know that baboons live in groups called troops? A troop may have up to 250 baboons in it....
Did you know that the Dominican Republic is on an island called Hispaniola? It shares the island ...
Remarkable Women explores the lives of some of the world's best-known women. Highlighting the lif...
Did you know that the Tomb of the Unknown Soldier is a memorial? Three unknown soldiers are burie...