My friend Phil Plait returns to the Discovery Channel next Wednesday (right after the season premiere of “Mythbusters“) with episode 2 of his “Bad Universe,” this time investigating whether aliens could actually make it to Earth.

We talked about it today on KTRS/St. Louis, and I also asked him about the new Earth-like planet that was discovered this week, what he thinks of Congress’ plans for NASA, and why aliens in science-fiction movies always look so human.

Listen, then click here to subscribe to these podcasts via iTunes!

Here’s a promo for the next episode of Phil’s TV show…