Considering the development of life on Earth, the existence of life in extreme environments and the potential for life elsewhere in the Universe, this book give

A rigorous and scientific analysis of the myriad possibilities of life beyond our planet. ÒAre we alone in the universe?Ó This tantalizing question has captiv

Imagine the North American Indians as astronomers carefully watching the heavens, charting the sun through the seasons, or counting the sunrises between success

Considering the development of life on Earth, the existence of life in extreme environments and the potential for life elsewhere in the Universe, this book give

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