Chris McKay, Larry Niven and Andy Weir at the Contact Conference

Steve Squyres gives us a status report on Spirit and Opportunity, and Bill Nye comments on the rings that appear to surround one of Saturn's small moons. Last week Emily Lakdawalla told us why objects...

14 Apr 200828min

Analyzing Alien AtmospheresLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

7 Apr 200828min

Flying Through the Geysers of EnceladusLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy informa...

31 Mars 200828min

Sir Arthur Clarke: A TributeLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

24 Mars 200828min

Look Out! It's a Martian Avalanche!Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information...

17 Mars 200828min

John Anderson and the Flyby AnomalyLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information...

10 Mars 200828min

Saving the Planet: The Apophis Mission Design CompetitionLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener f...

3 Mars 200828min

More From JPL's Linda and Tom SpilkerLearn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy informati...

25 Feb 200828min