Ian welcomed Salon.com founder David Talbot, who discussed Robert F. Kennedy's secret search for the truth about his brother's assassination.

In a special panel on how to fix NASA, Richard C. Hoagland was joined by David Livingston, the founder of The Space Show, and Rick Sterling, a space expert.

Professor of Electronic Engineering at USC, Bart Kosko, discussed the phenomenon of noise and its significance in society and the environment.

On the forefront of the scientific explorations of healing,Dr. Eric Pearl spoke about the latest discoveries involving subtle energy and light.

Award-winning filmmaker Peter von Puttkamer spoke about his recent work documenting some of the world's most amazing inventions, inventors, and weird science.

Professor of Earth and Space Sciences and Astrobiologist for NASA, Peter Ward (Book Link) discussed his vision of the end of the world based on past mass extinctions.

Research scientist Clifford Carnicom discussed his latest findings in the chemtrail phenomenon. Differentiating chemtrails from contrails, he noted that contrails from jets occur in cold dry air, and unlike chemtrails don't stay visible for long...

Chemistry professor Mark Eberhart joined Art for a discussion on energy and related issues. With energy use increasing at an exponential rate and current energy (gas) costs so high, Eberhart said we should be encouraging exploration into...

After reading the purportedly true story, Cursed by the Witch, George offered a 'Cursed' hotline during Open Lines for callers who believe they have been cursed or who have ever wanted to place a curse on someone else.

Futurist and author Dr. Cliff Pickover discussed his new novel, The Heaven Virus, which explores spiritual technologies for the 22nd century,virtual universes, and immortality.

Secret Door guests and Open Lines were intertwined in this impromptu evening.

Co-authors of Space Wars, Mike Coumatos and Bill Scott discussed how our satellites are vulnerable to attacks.

A pioneer in the emerging field of Human BioAcoustics, Sharry Edwards discussed her computer voice analysis system that allows her to evaluate a person's intent and health.

Roboticist and writer Daniel H. Wilson discussed the current state of robotics as well as the future implications of various robotic applications and AI.

During the first three hours, scientist Jan Hodges discussed the latest developments in 'Star Trek' like technology that will allow humans to realize their full potential in various fields.

Appearing during the middle two hours, author Andrew Collins discussed the significance of the Cygnus constellation.

Art spoke with physicist Sean Carroll about the origin and nature of the universe we live in.

Dr. Robin Falkov presented a Health Freedom Panel in which she was joined by three experts in alternative healthcare.

Art spoke with Professor of Physics and Astronomy, Dr. Janna Levin, about a variety of physics- and cosmology-related topics, including the evolution of the universe, its accelerating expansion and possible end in a fatal contraction.

UFO Researcher David Sereda discussed his recent work, videotaping the disclosure of 73-year old Boyd Bushman, a Lockheed Martin Senior Research Scientist of 20 years, who held Top Secret clearance.

In a night of "Secret Door" guests, six people made surprise appearances on the show.

Chiropractor and Naturopathic physician Dr. Richard Bartlett spoke about his therapeutic technique, which combinessubtle energy physics, consciousness and focused intent.

Appearing during the second hour, demonologist Chris Doyle discussed different types of negative entities that he's encountered, such as vampires and demons.

During the first half of the show, intuitive Sean David Morton checked in on some of his recent predictions.

In a special night of Open Lines, George introduced a "Secret Door Line" in which popular Coast to Coast guests made surprise appearances.

Senior Fellow of the Discovery Institute, Dr. Geoffrey Simmons presented a critique of Darwin's theory of evolution.

Engineer, scientist, and author Maurice Cotterell shared his theories gleaned from the codes of ancient civilizations and also touched on his recent work on gravity. The universe, he said, is here to facilitate God's growth.

Entrepreneur Robert Bigelow, the founder of Bigelow Aerospace, joined Art for the entire program for a discussion about his private space ventures.

During the first two hours of the program, investigative reporter and author Linda Moulton Howe gave an update on the disappearing honey bees and what may be the cause.

Investigative writer William Warwick recounted his sighting of the 'Norfolk Incident' and presented a chronology of events surrounding the Phoenix Lights of 1997.