David Spergel, an astrophysicist and chair of NASA's UAP Independent Study Team, joins the discussion on unexplained UFO phenomena and extraterrestrial life. He tackles the shift from UFOs to UAPs and the science behind investigating sightings. Spergel emphasizes the necessity for reliable data collection and public engagement, suggesting innovative use of smartphones for citizen science. The conversation dives into dark matter, cosmic mysteries, and the legacy of Nancy Grace Roman, highlighting how public support is crucial for astronomical advancements.

Are the UAP sightings aliens here on Earth? Neil deGrasse Tyson and comedian co-host Paul Mecurio discuss the congressional hearings on unidentified anomalous phenomena (UAP) with astrophysicist and chair of NASA’s UAP independent study team, David Spergel.NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.Thanks to our Patrons Melissa Campbell, Martynas Piliutis, Darrel Mosier, Danielle Martinez, Randall Thompson, and Anton Popov for supporting us this week.Photo Credit: Department of Defense Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.