This book is the exceptional document of a whistleblower who will probably rank with Edward Snowden, but for UFOs. Scary: he worked on an unthinkable hypothesis

The CIA’s 2013 release of its book The Central Intelligence Agency and Overhead Reconnaissance 1954–1974 is a fascinating and important historical document.

The clock is relentlessly ticking! Our world teeters on a knife-edge between a peaceful and prosperous future for all, and a dark winter of death and destructio

The first, comprehensive military history of armed confrontations between humans and extraterrestrials • Includes documentation of incidents from World War I,

This book combines detailed scientific historical research with characteristic philosophic breadth and verve.