Astronomy Cast - podcast cover

Astronomy Cast

Fraser Cain and Dr. Pamela Gay•www.astronomycast.com

Natural Sciences

Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.

Last refreshed: February 6th, 2026 at 4:55 AM ⓘ

Follow this podcast in the Metacast mobile app to refresh it and see new episodes.

Follow on

Podcasts are better in Metacast mobile app

Don't just listen to podcasts. Learn from them with transcripts, summaries, and chapters for every episode. Skim, search, and bookmark insights. Learn more

Episodes

432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert

432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert Astronomy Cast 432: Geologic Ages of Mars – From Wet and Wild to Desolate Desert by Fraser Cain & Dr. Pamela Gay

Dec 26, 2016•31 min•Season 1Ep. 432

431: The Search for Life on Mars

431: The Search for Life on Mars Astronomy Cast 431: The Search for Life on Mars by Fraser Cain & Dr. Pamela Gay

Dec 08, 2016•31 min•Season 1Ep. 431

430: Coming Home from Mars

430: Coming Home from Mars Astronomy Cast 430: Coming Home from Mars by Fraser Cain & Dr. Pamela Gay

Dec 08, 2016•31 min•Season 1Ep. 430

429: Living on Mars

429: Living on Mars Astronomy Cast 429: Living on Mars by Fraser Cain & Dr. Pamela Gay

Nov 26, 2016•28 min•Season 1Ep. 429

428: The Moons of Mars

428: The Moons of Mars Astronomy Cast 428: The Moons of Mars by Fraser Cain & Dr. Pamela Gay

Nov 24, 2016•31 min•Season 1Ep. 428

427: Click Bait vs Clear Science

427: Click Bait vs Clear Science Astronomy Cast 427: Click Bait vs Clear Science by Fraser Cain & Dr. Pamela Gay

Nov 07, 2016•31 min•Season 1Ep. 427

426: Confirmation Bias

426: Confirmation Bias Astronomy Cast 426: Confirmation Bias by Fraser Cain & Dr. Pamela Gay

Oct 29, 2016•35 min•Season 1Ep. 426

425: Naming Spacecraft

425: Naming Spacecraft Astronomy Cast 425: Naming Spacecraft by Fraser Cain & Dr. Pamela Gay

Oct 20, 2016•28 min•Season 1Ep. 425

424: Lightning

424: Lightning Astronomy Cast 424: Lightning by Fraser Cain & Dr. Pamela Gay

Oct 17, 2016•30 min•Season 1Ep. 424

423: Cyclones

423: Cyclones Astronomy Cast 423: Cyclones by Fraser Cain & Dr. Pamela Gay

Oct 10, 2016•30 min•Season 1Ep. 423

422: Geysers

Astronomy Cast 422: Geysers by Fraser Cain & Dr. Pamela Gay

Oct 01, 2016•33 min•Season 1Ep. 422

421: Space Games!

Astronomy Cast 421: Space Games! by Fraser Cain & Dr. Pamela Gay

Sep 28, 2016•31 min•Season 1Ep. 421

420: FIRE!

Astronomy Cast 420: FIRE! by Fraser Cain & Dr. Pamela Gay

Sep 19, 2016•32 min•Season 1Ep. 420

419: DragonCon 2016 Live: Rocket Girls

AstronomyCast 419: DragonCon 2016 Live: Rocket Girls by Fraser Cain & Dr. Pamela Gay

Sep 15, 2016•1 hr 7 min•Season 1Ep. 419

418: I'm a Teapot

AstronomyCast 418: I'm a Teapot by Fraser Cain & Dr. Pamela Gay

Jun 27, 2016•32 min•Season 1Ep. 418

417: Expectation: Failed

AstronomyCast 417: Expectation: Failed by Fraser Cain & Dr. Pamela Gay

Jun 26, 2016•32 min•Season 1Ep. 417

416: Fireballs from Space

AstronomyCast 416: Fireballs from Space by Fraser Cain & Dr. Pamela Gay

Jun 13, 2016•31 min•Season 1Ep. 416

415: The Temperature of the Universe

AstronomyCast 415: The Temperature of the Universe by Fraser Cain & Dr. Pamela Gay

Jun 01, 2016•34 min•Season 1Ep. 415

414: Navigating Far

AstronomyCast 414: Navigating Far by Fraser Cain & Dr. Pamela Gay

May 26, 2016•29 min•Season 1Ep. 414

413: Navigating Near

AstronomyCast 413: Navigating Near by Fraser Cain & Dr. Pamela Gay

May 17, 2016•30 min•Season 1Ep. 413

412: The Color of the Universe

AstronomyCast 412: The Color of the Universe by Fraser Cain & Dr. Pamela Gay

May 01, 2016•25 min•Season 1Ep. 412

411: The Science of Sunset Colors

AstronomyCast 411: The Science of Sunset Colors by Fraser Cain & Dr. Pamela Gay

Apr 25, 2016•31 min•Season 1Ep. 411

410: Planet Nine - Facts & Fiction

AstronomyCast 410: Planet Nine - Facts & Fiction by Fraser Cain & Dr. Pamela Gay

Apr 18, 2016•34 min•Season 1Ep. 410

409: Spin in the Solar System

AstronomyCast 409: Spin in the Solar System by Fraser Cain & Dr. Pamela Gay

Apr 11, 2016•33 min•Season 1Ep. 409

408: Universal Cannibalism

AstronomyCast 408: Universal Cannibalism by Fraser Cain & Dr. Pamela Gay

Apr 04, 2016•30 min•Season 1Ep. 408

407: Galactic Cannibalism

AstronomyCast 407: Galactic Cannibalism by Fraser Cain & Dr. Pamela Gay

Mar 30, 2016•28 min•Season 1Ep. 407

406: Stellar Cannibalism

AstronomyCast 406: Stellar Cannibalism by Fraser Cain & Dr. Pamela Gay

Mar 14, 2016•30 min•Season 1Ep. 406

405: Method Not Found

AstronomyCast 405: Method Not Found by Fraser Cain & Dr. Pamela Gay

Mar 07, 2016•30 min•Season 1Ep. 405

404: What We Know, What We Don't Know, & What We Can't Know

AstronomyCast 404: What We Know, What We Don't Know, & What We Can't Know by Fraser Cain & Dr. Pamela Gay

Mar 01, 2016•32 min•Season 1Ep. 404

403: Funding Big Science

AstronomyCast 403: Funding Big Science by Fraser Cain & Dr. Pamela Gay

Feb 22, 2016•36 min•Season 1Ep. 403

← Prev Next →

For the best experience, listen in Metacast app for iOS or Android