This book presents a visionary concept for future development of space travel. It describes the enabling technology for future propulsion concepts and demonstra

Discusses activities astronauts do while they're in space.

During its more than 50-year history, NASA's success in human space exploration has depended on the agency's ability to effectively address a wide range of biom

A unique, wide-ranging examination of asteroid exploration and our future in space Human travel into space is an enormously expensive and unforgiving endeavor.

Seeking to reenergize Americans' passion for the space program, the value of further exploration of the Moon, and the importance of human beings on the final fr