Law professor James Boyle, author of "The Line: AI and the Future of Personhood," explains why he thinks intelligent machines will eventually be considered persons.

TrueMedia.org founder Oren Etzioni and Annalee Newitz, author of "Stories Are Weapons," discuss the escalating arms race between the purveyors of political disinformation and those who are trying to defend against it.

Allan Kaster, the editor of "The Year's Top Hard Science Fiction Stories," traces the connections between science fiction and real-world science.

Daniel Abraham and Ty Franck, who wrote the books of "The Expanse" sci-fi series under the pen name James S.A. Corey, talk about the completely different alien-invasion saga they're in the midst of creating.

Allen Institute neuroscientist Jerome Lecoq explains how the OpenScope program is expanding the frontiers of brain science, from the effects of psychedelic substances to the mechanisms of memory.

Marketing executive Richard Jurek, co-author of "Marketing the Moon," talks about how NASA sold the Apollo space effort — and how that campaign is portrayed in a new movie titled "Fly Me to the Moon," starring Scarlett Johansson and Channing Tatum.

Washington Post columnist David Ignatius talks about the potential for international conflicts in space, and how that subject gave rise to his latest spy thriller, "Phantom Orbit."

We look at the legacy of the late Seattle science-fiction pioneer Vonda N. McIntyre with Una McCormack, who led the effort to publish "Little Sisters and Other Stories," a new collection of McIntyre's short stories.

Douglas Preston, author of a techno-thriller titled "Extinction," talks about his fictional murder mystery as well as his concerns about the real-world quest to revive the woolly mammoth and other extinct species.

Pete Worden, chairman of the Breakthrough Prize Foundation, talks about the real-world search for extraterrestrial civilizations and how it's different from Netflix's "3 Body Problem" series.

Nathaniel Rich, author of "Second Nature," "Losing Earth" and the sci-fi novel "Odds Against Tomorrow," discusses the state of contemporary fiction with Fiction Science co-hosts Dominica Phetteplace and Alan Boyle.

Mars Society President Robert Zubrin, author of "The New World on Mars," talks about the life that future settlers are likely to create on the Red Planet — and why they should go.

Physicist Paul Halpern, author of "The Allure of the Multiverse," traces the history of the scientific quest to detect parallel universes and alternate cosmic timelines.

John Tytus, the president of Pocock Racing Shells, talks about how the technology of rowing has changed since "The Boys in the Boat" won Olympic gold in 1936.

Veteran science writer George Musser addresses the connections between artificial intelligence, quantum physics and the quest to understand the nature of consciousness in a new book, "Putting Ourselves Back in the Equation."

Zach Weinersmith, co-author of "A City on Mars," explains why humanity isn't ready to have people settle down and raise a family on Mars or in any other off-Earth locale.

Quantum physicist Shohini Ghose, author of "Her Space, Her Time," throws a spotlight on more than a dozen women physicists and astronomers who didn't get the recognition they deserved.

How much real-world AI research is reflected in "The Creator," Hollywood's latest cinematic tale about the rise of the machines? We turn to a panel of experts on artificial intelligence and its portrayal at the movies for an in-depth reality check.

John Scalzi talks about his latest satirical science-fiction novel, "Starter Villain," and the parallels to the antics of real-world tech billionaires.

Astronomer Chris Impey, author of the book "Worlds Without End," discusses the study of planets beyond our solar system, the search for alien life, and the long-term prospects for humanity's progress on the final frontier.