Is there life in space? Within the solar system, which we can reach and are now beginning to explore, the answer may be: Nothing but spores and bacteria. Perhap

This book takes the reader on a journey through the history of extremely ambitious, large and complex space missions that never happened. What were the dreams a

Space is again in the headlines. E-billionaires Jeff Bezos and Elon Musk are planning to colonize Mars. President Trump wants a "Space Force" to achieve "space

What will it take to make humanity a spacefaring species? The usual: good reasons and good planning. Christopher Wanjek explores the practical motivations for s