Dr. David McKay, Chief Scientist for Astrobiology at the Johnson Space Center, lectures on his scientific experience with meteorites, more specifically ALH 84001. (February 26, 2009)

Fr. George Coyne, Director Emeritus of the Vatican Observatory, speaks about the interplay in relationship between the universe and science. He fields tough questions regarding faith and Catholic doctrinal beliefs. (February 19, 2009)

Rocco L. Mancinelli, a Senior Research Scientist with the Search for Extraterrestrial Life, discusses organisms' potential for survival, adaptation and biological evolution in the atmosphere and beyond to outer space. (February 17, 2009)