HOT TOPIC: Space exploration. Discover some of the greatest remaining challenges associated with space exploration, as well as the technologies being developed to overcome them. Plus, can international agreements ensure that off-planet exporation occurs responsibly? Featuring: Lynn Rothschild, NASA Socialize with science on Twitter, Facebook, and Instagram using @ISGPforum. Disclaimer: The ISGP is a nonprofit organization that does not lobby for any position except rational thinking. Podcasts within the "Hot Topics Series" (Episodes 75+) reflect the views expressed by featured guests. Furthermore, a member of the co-host team is currently employed by the U.S. Department of State, but the views expressed in this episode are not necessarily those of the U.S. Government. For more information on The Forum, please visit www.ISGPforum.org.