Host Dave Schlom is joined by Fiona Robertson, author of the new book, Stone Lands: A Journey of Darkness and Light through Britain's Ancient Places (

Host Dave Schlom is joined by two guests from the SETI Institute in Mountain View, California, for a fun and thought-provoking program. Simon Steel, Deputy Director of the Carl Sagan Center for Research, joins us for an inside look at the Institute's role as a science advisor for the Disney/Pixar film Elio.

Host Dave Schlom is joined by some very special guests to celebrate the life of one of NASA's greatest astronauts, James A. Lovell Jr.

Artist and writer Obi Kaufmann joins host Dave Schlom to discuss his documentation of California's wild and scenic places.

Bill Nelson joins host Dave Schlom for a special conversation about his life in public service at NASA. Nelson served representing the people of his home state of Florida for 30 years, first in the House of Representatives and then the Senate.

Blue Dot goes down on the farm by visiting with folks from California State University, Chico's Center for Regenerative Agriculture and Resilient Systems (CRARS).

Artist and writer Obi Kaufmann joins host Dave Schlom to discuss his documentation of California's wild and scenic places.

Host Dave Schlom is joined by Backcountry Press Publisher Michael Kauffmann along with Cal Poly San Luis Obispo botany professor Matt Ritter. Both combined to author the superb new book, California Trees: A Field Guide to the Native Species.

Host Dave Schlom visits with brand new MacArthur Fellowship award winner Kareem El-Badry, an astrophysicist at the California Institute of Technology in Pasadena.

Blue Dot marks three years of operation of the magnificent James Webb Space Telescope. NASA Webb Project Manager Mike Davis joins host Dave Schlom for an overview of the telescope's operation and unique capabilities that have surpassed the expectations of the astronomical community.