Fiction Science

British physicist Jim Al-Khalili, author of "On Time: The Physics That Makes the Universe Tick," discusses why time flows in only one direction, and why time travel into the past is highly unlikely - but not yet completely ruled out.

Cinematographer Brendan Uegama discusses how he and his teammates created a fictional world for "Star City," an Apple TV series that traces a dramatically different version of the U.S.-Soviet space race.

A podcast double-feature delves into scientific and social issues raised by the "Disclosure Day" movie. Our guests are Adam Kirsch, author of "We Want to Believe"; and Meg Charlton, author of an alien-abduction novel titled "Voyagers."

Nisi Shawl discusses the genesis of "The Curve of the World," a newly published novel about an ancient odyssey from Crete to the Pacific Northwest that science-fiction pioneer Vonda N. McIntyre finished writing just before her death in 2019.

SETI astronomer Seth Shostak talks about the parallels between the alien connection in "Project Hail Mary" and the real-world search for signs of extraterrestrial intelligence.