Grades 3 - 7
Sea otters have the thickest fur of any mammal in the world! It is so thick and compact that their skin never gets wet. Dense fur is essential for sea otters as they swim through frigid… More →
With home ranges stretching across miles of frozen land, mountains, and dense forests, wolverines wander alone searching for their next meaty meal. These fearless fighters of the northern… More →
A group of river otters is on the lookout for a new home, and they aren’t about to start from scratch! These critters often crawl their way into the abandoned burrows of their riverside… More →
It was an Earth satellite that started the space race between Russia and the United States. Russia sent Sputnik 1 into space in 1957, and the U.S. responded with Explorer 1 in 1958. In this… More →
The largest space machine to ever orbit Earth is the International Space Station. It is essentially a giant science lab for astronauts. Interested young readers are invited to enter the… More →