What would life on other planets look like? Forget the little green men, alien life is likely to be completely unrecognisable -we haven't even discovered all th

Earth’s Evolving Systems: The History of Planet Earth, Second Edition is an introductory text designed for popular courses in undergraduate Earth history. Wri

The author brings the tenets of biological evolution to bear on alien abductions and expands our ideas of how aliens might have evolved and influenced human dev

Revealing the mechanics of evolutionary theory, the scientist, engineer and inventor presents a compelling argument for the scientific unviability of creationis

"A fascinating and useful handbook to both the science and science fiction of extraterrestrial life. Cohen and Stewart are amusing, opinionated, and expert guid