Space exploration

"Over the years, there have been hundreds of reports of UFO (or unidentified flying object) sightings--which the U.S. government seemed to ignore. But a recently released Pentagon report tells a different story. For five years, a secret government agency was tracking and investigating these sightings. Now, in the pages of this book, the details of that report can be revealed! Share in the joy of exploration and discovery with UFOs"--Provided by publisher.

Introduces the International Space Station including the science laboratory, daily activities, and more.

Readers will go on a journey through some of the most exciting discoveries and achievements made by scientists.

Readers will go on a journey through some of the most exciting discoveries and achievements made by scientists.

Readers will go on a journey through some of the most exciting discoveries and achievements made by scientists.

Chronicles humankind's quest into space, from the development of rockets to the Apollo moon landing.

Capsule biographies of significant individuals in the history of space exploration.

Examines the early Soviet and United States space stations, the space programs of other countries, and other areas of space research and exploration.