The Chandra X-ray Observatory is the largest object ever carried into space by the Space Shuttle. Scientists and engineers faced many challenges before they com

Kicking of a new four-book series by an Air Force Reserve captain and UFO authority, this title explores the future evolution of man and machine, in which the s

Searching for signs of alien life is nothing new. Since the first believer, people have wanted to communicate with whatever might be out there. Learn about the