Astronaut Scott Kelly, who holds the American record for most days in space, talks about navigating the challenges of long-term spaceflight.
Read moreIs Anyone Out There?
Astrophysicist Adam Frank joins us to talk about the theory that over-population and climate change are actually the natural demise of civilizations – possibly even ones that existed on other planets.
Read moreSnapshots From Space: An Astronaut’s View Of Earth
Terry Virts, former commander of the International Space Station, joins us to about everyday life in orbit.
Read moreIn The Shadow Of The Moon
David Baron joins us to talk about his book, “American Eclipse: A Nation’s Epic Race to Catch the Shadow of the Moon and Win the Glory of the World.”
Read moreThe Search For Alien Life
Theoretical physicist Jim Al-Khalili joins us to bring us up to date on the search for life in other parts of the universe.
Read moreHome Beyond Earth
This hour, we’ll talk about why Mars may not be the most viable option for a space colony – and we’ll talk about the place that is: Titan, a moon orbiting Saturn, with planetary scientist Amanda Hendrix, co-author of “Beyond Earth: Our Path to a New Home in the Planets.”
Read moreLessons From Buzz Aldrin
This hour, we’ll talk with Buzz Aldrin, the second man to walk on the moon, about perseverance and other wisdom he’s gained in his 86 years, which he’s collected in “No Dream Is Too High: Life Lessons From a Man Who Walked on the Moon.”
Read moreThe Search For ‘Planet X’
This hour, we’ll talk about efforts to nail down the existence of the celestial body known as “Planet X” with Michael D. Lemonick. His story “Hidden Planet X” appears in the current issue of “Scientific American.”
Read moreThe Limits Of Science
We’ll talk this hour about how far science can take us with Dartmouth College theoretical physicist Marcelo Gleiser. His new book is “The Island of Knowledge: The Limits of Science and the Search for Meaning.”
Read moreIs There Anybody Out There?
What are the odds that life exists on other planets? We’ll talk about the possibility this hour with Michael Lemonick, who explores the question in a cover story for the July issue of National Geographic.
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