The great explorers were the celebrities of their day - the romance and danger of their daring expeditions captured the public imagination and the world's headlines to an extraordinary degree. Not all of them lived to tell the tale, of course, but those who emerged triumphant from jungle, desert, or polar wasteland were hailed as if returning from beyond the grave. Journalists vied for their stories and publishers rushed their firsthand accounts of exciting and dangerous journeys into print for a wide and voracious readership.
In these lively and fascinating essays, scientists from around the world weigh in on the latest advances in the search for intelligent life in the universe and discuss just what that might look like. Since 2000, science has seen a surge in data and interest on several fronts related to ET (extraterrestrials); AI (artificial intelligence); and SETI (search for extraterrestrial intelligence). The debate has intensified over whether life exists outside our solar system, what that life would look like, and whether we'll ever make contact.