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Astronomy Cast

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Fraser Cain and Dr. Pamela Gay

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.

#572

Ep. 805: Mission Tech Series - Gyroscopes & Servos

Spinney things! Streamed live 18 Oct 2026. Hosted by: Fraser Cain (@frasercain) and Dr. Pa... more

Yesterday

33 MINS

33:02

Yesterday

#571

Ep. 804: Mission Tech Series: Fairings, Docking & Airlocks

Ad-Free thanks to your support at patreon.astronomycast.com! Instead of sending up an enti... more

12 Oct 2026

30 MINS

30:31

12 Oct 2026

#570

Ep. 803: Mission Tech Series: Engines & Stages

Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed on Octob... more

05 Oct 2026

36 MINS

36:12

05 Oct 2026

#569

Ep. 802: Mission Tech Series: Rocket & Spacecraft 411

Help us keep Astronomy Cast ad-free: https://patreon.com/astronomycast We removed all ads ... more

28 Sep 2026

32 MINS

32:02

28 Sep 2026

#568

Ep. 801: The Beginning & End of Everything - Part 2

Help us keep Astronomy Cast ad-free: https://patreon.com/astronomycast We removed all ads ... more

21 Sep 2026

37 MINS

37:07

21 Sep 2026

#567

Astronomy Cast Can't Go On Like This

After 20 years, it's time to make some changes. With your patronage we can ditch the ads &... more

15 Sep 2026

08 MINS

08:50

15 Sep 2026

#566

Ep. 800: The Beginning & End of Everything - Part 1

Streamed live on Sep 7, 2026. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (... more

14 Sep 2026

39 MINS

39:27

14 Sep 2026

#565

Ep. 799: Heavy Lift Rockets

Astronomy Cast Ep. 799: Heavy Lift Rockets By Fraser Cain & Dr. Pamela Gay Streamed live J... more

29 Jun 2026

39 MINS

39:07

29 Jun 2026

#564

Ep. 797: Summer in Space

Astronomy Cast Ep. 797: Summer in Space By Fraser Cain & Dr. Pamela Gay Streamed live June... more

15 Jun 2026

34 MINS

34:35

15 Jun 2026

#563

Ep. 796: Oceans & Organics on Mars

Astronomy Cast Ep. 796: Oceans & Organics on Mars By Fraser Cain & Dr. Pamela Gay Streamed... more

08 Jun 2026

30 MINS

30:35

08 Jun 2026

#562

Ep. 795: Expanse Science

Astronomy Cast Ep. 795: Expanse Science By Fraser Cain & Dr. Pamela Gay Streamed live on M... more

01 Jun 2026

32 MINS

32:29

01 Jun 2026

#561

Ep. 794: Stargate Science

Astronomy Cast Ep. 794: Stargate Science By Fraser Cain & Dr. Pamela Gay Streamed live on ... more

18 May 2026

38 MINS

38:48

18 May 2026

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