StarTalk All-Stars

If light can’t escape from black holes, how can we observe them at all? Find out from astrophysicist Janna Levin, co-host Matt Kirshen, and Shep Doeleman, the MIT astrophysicist leading the Event Horizon Telescope project to study black hole Sgr A* at the center of our galaxy.
NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at https://www.startalkradio.net/startalk-all-access/

Join us for our first StarTalk All-Stars Live!, recorded at the Star Trek Mission: New York 50th Anniversary. Featuring astrophysicist and StarTalk All-Stars host Charles Liu, Chuck Nice, astrophysicist/All-Stars host Summer Ash and author Andrew Fazekas.
NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at www.startalkradio.net/startalk-all-access/

Seth Shostak, SETI Institute Senior Astronomer, discovers what it’s like to host StarTalk All-Stars when he welcomes skeptic Ben Radford and new comic co-host Ray Ellin to discuss UFOs, aliens, government cover-ups, Roswell, and space-faring dinosaurs.
NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at www.startalkradio.net/startalk-all-access/

If you think this episode will be filled with questions about pot and LSD, you’d be right. But Chuck Nice also throws a few other Cosmic Queries at host Bill Nye, from how to get more women into STEM to the potential impact of discovering life on Mars.
NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free. Find out more at startalkradio.net/startalk-all-access

Astrobiologist David Grinspoon and his guest, Hugo Award-winning sci-fi author and scientist David Brin weigh the pros and cons of attempting to contact extraterrestrials. Plus, Chuck Nice asks the pair Cosmic Queries about what we’ll do if aliens find us.

Carolyn Porco is back, and she’s brought her friend, “Bad-ass Science Groupie” Sean Ono Lennon. Together with Chuck Nice, they answer Cosmic Queries about art, science, and math; the Anthropocene Age; and the lack of civility on Twitter.

What are gravitational waves, and what can they tell us about our universe? In her first outing as StarTalk All-Star host, cosmologist Janna Levin untangles the astrophysics with help from LIGO co-founder Rainer Weiss and comic co-host Matt Kirshen.

In this week’s StarTalk All-Stars, host Bill Nye applies his scientific mind and skeptical nature to fan-submitted Cosmic Queries chosen by co-host Chuck Nice, on subjects from miracles and levitation to conspiracy theories and climate change denial.

Former NASA astronaut Mike Massimino puts on his old CAPCOM headset and takes us inside Johnson Space Center, with a little help from his guests, Flight Directors Emily Nelson and Royce Renfrew, and co-host Maeve Higgins.

On 9/30/16, the Rosetta spacecraft will purposefully join its Philae lander and crash into Comet 67P. Before then, StarTalk All-Stars host Natalie Starkey, co-host Chuck Nice and Rosetta Mission Project Scientist Matt Taylor review what we’ve learned.