Examines the evidence that indicates others may have traveled to the Americas before Columbus in 1492 including Viking ruins, Mayan stonework, and other mysterious objects found in New England that date before Columbus.

Offers insight into the historical events that prompted Columbus' efforts to establish new trade routes to the Indies, his struggles to obtain financial support for his voyages, and the important discoveries that caused him to become known as the "Great Admiral of the Seas."

Prompted by disturbing reports of an enormous sea monster, marine biologist Pierre Aronnax joins an expedition to find and destroy it. After barely surviving an attack on the creature, the voyagers discover that their quarry is in fact a remarkably advanced submarine, the Nautilus. Its creator, Captain Nemo, is driven by a thirst for knowledge and by a hatred of civilization ; and he refuses to let his guest's leave. As Aronnax and his companions...

"Find out all about NASA in this out-of-this-world addition to the What Was? series. The National Aeronautics and Space Administration, better known as NASA, began in 1958. With its creation, the United States hoped to ensure it won the space race against the Soviet Union. Author Sarah Fabiny describes the origins of NASA, the launching of the Apollo program that landed the first human on the moon, and the many missions and discoveries that have taken...

The story of the two robot vehicles, Spirit and Opportunity, that were sent to explore Mars, lasting far past their projected lives of 3 months and sending back invaluable images of the environmentally hostile planet.

Describes the large luxury liner which sank in 1912 and the discovery and exploration of its underwater wreckage.

Follows the adventures of a young boy and his neighbor friend as they travel through a computer portal into outer space, where they explore such mysteries as black holes and the origins of the universe, while trying to evade an evil scientist.

Explores scientists' thrilling quest to send a spacecraft to Pluto. Engaging text, vibrant photos, and informative infographics help readers learn about this important advancement in exploring space, as well as the people and technology that made it possible.

On a secret American expedition to the South Pole in 1910, Jack Winslow and his sons face mutiny, doubt, and disaster, and must risk their lives to make a daring rescue attempt.

"Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system. Our solar system consists of eight planets, as well as numerous moons, comets, asteroids, and meteoroids. For thousands of years, humans believed that Earth was at the center of the Universe, but all of that changed in the 17th century. Astronomers like Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, and Isaac Newton proposed...