From Mars to Eternity
The discovery of water on Mars has scientists asking whether they're could have once been life on the Red Planet. It's a big question - and it's prompted us to follow up with a few of our own, such as: what is our relationship to the cosmos? How do we find meaning in a universe that is destined to end?
Plus, in response to Seth's appearance on Larry King Live: have aliens visited Earth? Any questions?
If you missed Seth on Larry King Live, check out our blog and watch the videos. You can read Seth's article about the experience here.
- Janice Bishop - Planetary Scientist at the SETI Institute and at NASA Ames Research Center
- Roy Gould - Education Analyst at the Harvard-Smithsonian Center for Astrophysics