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  • 20th Century UFO Conspiracies
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    20th Century UFO Conspiracies

    Professor Felix Harcourt talked about how conspiracy theories about UFOs have shaped America culture. He began in the late 1940s and described how public opinion about extraterrestrials…

  • emUnder Desert Skiesem
    Last Aired

    Under Desert Skies

    Melissa Sevigny talked about her book, Under Desert Skies: How Tucson Mapped the Way to the Moon and Planets. Ms. Sevigny is a science and technology reporter for KNAU (Arizona Public…

  • emChasing Spaceem
    Last Aired

    Chasing Space

    Leland Melvin talked about his book, Chasing Space: An Astronaut’s Story of Grit, Grace, and Second Chances.

  • Acting NASA Administrator Testifies on FY 2018 Budget Request
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    Fiscal Year 2018 NASA Budget

    Acting NASA Administrator Robert Lightfoot testified at a hearing on his agency’s fiscal year 2018 budget. Members questioned him about cuts to programs in areas such as education, earth science…

  • In Depth with Neil deGrasse Tyson
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    In Depth with Neil deGrasse Tyson

    Author and astrophysicist Neil deGrasse Tyson talked about his life and career and responds to viewer phone calls and tweets. Mr. Tyson, the director of the Hayden Planetarium in New York…

  • Rod Pyle Discusses emAmazing Stories of the Space Ageem
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    Amazing Stories of the Space Age

    Rod Pyle talked about his book Amazing Stories of the Space Age: True Tales of Nazis in Orbit, Soldiers on the Moon, Orphaned Martian Robots, and Other Fascinating Accounts from the Annals…

  • National Space Council Executive Order Signing
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    National Space Council Executive Order Signing

    President Trump made remarks and signed an executive order reestablishing the National Space Council. Vice President Pence spoke briefly at the beginning of the event and introduced the…

  • emThe History of Human Space Flightem
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    The History of Human Space Flight

    Ted Spitzmiller talked about his book The History of Human Space Flight, in which he looks at the programs and technology that led to the possibility of space travel, from balloon flight to…

  • emApollo 8em
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    Apollo 8

    Jeffrey Kluger talked about his book, Apollo 8: The Thrilling Story of the First Mission to the Moon, about NASA’s first successful manned mission to orbit the moon. Mr. Kluger is the…

  • NASA Holds Briefings on August 21 Solar Eclipse
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    NASA Solar Eclipse Briefings

    Researchers from NASA and its partner universities were panelists speaking at a briefing on the science behind the total solar eclipse expected on August 21, 2017, the first total solar…

  • Vice President Speaks at Johnson Space Center in Houston Texas
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    Vice President Pence Remarks in Houston, Texas

    Vice President Mike Pence delivered remarks at NASA’s Johnson Space Center to welcome the next class of astronaut candidates. The vice president talked about the administration’s effort to…

  • Hearing Examines National Security Space Assets
    Last Aired

    National Security and Space

    The House Armed Services Subcommittee on Strategic Forces held a hearing on U.S. military space assets and potential national security threats. General John Raymond, commander of Air Force…

  • Chris Impey Discusses emBeyondem
    Last Aired


    Professor Chris Impey talked about his book, Beyond: Our Future in Space, about the next generation of space exploration. This interview, conducted on the campus of the University of Arizona, is…

  • Summit on Human Exploration of Mars Part 1
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    Summit on Human Exploration of Mars, Part 1

    Astrophysicists, aerospace engineers, and space policy experts were among the speakers at the fifth annual conference on human exploration of Mars hosted by Explore Mars, a non-profit…

  • RecordBreaking Astronaut Peggy Whitson Gets Call from President Trump
    Last Aired

    President Trump NASA Video Conference

    President Trump congratulated Peggy Whitson on setting a record by spending 535 cumulative days at the International Space Station. He also talked about the possibility of a manned mission…

  • NASA Holds News Conference on Exoplanet Findings
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    NASA News Conference on Exoplanets

    Five scientists from NASA and the space agency’s research partners announced the discovery of seven Earth-like exoplanets orbiting a nearby star during a news conference at NASA…

  • Julian Guthrie Discusses emHow to Make a Spaceshipem
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    How to Make a Spaceship

    Julian Guthrie talked about her book How to Make a Spaceship: A Band of Renegades, an Epic Race, and the Birth of Private Spaceflight, in which she reports on SpaceShipOne, the first…

  • Dava Sobel Discusses emThe Glass Universeem
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    The Glass Universe

    Dava Sobel talked about her book, The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars, about women who worked for the Harvard College Observatory, studying…

  • Weekly Presidential Address
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    Weekly Presidential Address

    President Trump gave his weekly internet address. He talked about his signing of a measure allowing $19 billion in spending for NASA.

  • President Signs NASA Authorization Bill
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    NASA Authorization Bill Signing

    President Trump signed a NASA appropriations bill for fiscal year 2017. Several of the bill’s cosponsors were there to witness the signing, including Senators Ted Cruz (R-TX), Marco Rubio…

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