Mat Kaplan

Planetary Radio host Mat Kaplan has an announcement for listeners.

Mat Kaplan explains his beef with the National Geographic Mars documentary-drama series.

Mat Kaplan pays a heartfelt tribute to a science fiction icon.

Mat Kaplan honors the memory of a scientific pioneer.

Mat Kaplan reviews a comprehensive new collection of historic and modern space art from author and superb space artist Ron Miller.

Society Advocacy and Outreach Coordinator Casey Dreier visits Planetary Radio with the tale of an element that is essential to exploration of deep space.

On the evening of November 9, which would have been Carl Sagan’s 78th birthday, the Planetary Society brought together some of his best friends to share their memories. We were also joined by four young scientists whose career choices were influenced by Carl.

This week’s Planetary Radio episode presents highlights of the first Curiosity press briefing about the Martian atmosphere, and then takes you to the opening day ceremony for Shuttle Endeavour. You have till Friday, November 9, at 10am Pacific to send your 10th anniversary message to the show and possibly win Bill Nye on your answering machine.

The newly-released eXtreme Deep Field takes us even further back into the history of our universe than the Ultra Deep Field or UDF.

Talk about changing climates on this world and others brought 600 people to the Boulder Theater.