Ep. 719: Galaxy Series - Spiral Galaxies| Listen on Anghami

Oct 6

Ep. 766: How Spacecraft End

Astronomy Cast Ep. 766: How Spacecraft End By Fraser Cain & Dr. Pamela Gay End-of-Life Planning for Your Spacecraft! Streamed live October 1, 2025. Your spacecraft has reached the end of its mission. You’ve done everything you can to keep it operational, but now it’s time to say ... Show More

30m 28s

Sep 29

Ep. 765: Rockets vs The Environment

Astronomy Cast Ep. 765: Rockets vs The Environment By Fraser Cain & Dr. Pamela Gay Streamed live on Sep 22, 2025. We don’t launch a lot of rockets every year, so their impact on the environment is minimal compared to other forms of transportation. But that number is steadily incr ... Show More

35m 18s

Sep 22

Ep. 764: Cleared For Launch!

Astronomy Cast Ep. 764: Cleared For Launch! By Fraser Cain & Dr. Pamela Gay Streamed live September 17, 2025. This week, we look at the process behind rockets getting licensed to launch, and everyone around the pad getting notified to stay away as T-0 approaches. (Can you say "er ... Show More

33m 3s

Dec 2023

Cosmic Queries – Galaxies Galore

What does JWST tell us about galaxy formation? Neil deGrasse Tyson and Chuck Nice answer questions about galaxies, measuring the distance of far away objects, dark matter, primordial galaxies, and more!NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here ... Show More

42m 35s

Apr 2024

S27E47: Stellar Nurseries: Unveiling the Origins of Brown Dwarfs and Starbursts

Prepare to illuminate the shadowy frontiers of space in SpaceTime Series 27 Episode 47. We begin by shedding light on new findings that reveal brown dwarfs, those celestial enigmas straddling the line between the largest planets and the smallest stars, are far more star-like than ... Show More

25m 1s

Feb 2024

S27E20: The Improbable Galaxy: Unveiling the Enigma of Pearl SDG

For peace of mind when online and know you are protected get our special 60% off deal on Incogni. Visit www.incogni.com/stuartgary to get the deal The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 20 *The Enigma of Pearl SDG: A Galaxy That Defies Expectations As ... Show More

24m 13s

Mar 2023

Cosmic Queries – JWST’s Primordial Galaxies with Wendy Freedman

What do the early galaxies discovered by JWST tell us about the early universe? Neil deGrasse Tyson and comedian Matt Kirshen explore the expansion of space, dark energy, and the age of the universe with astronomer, Wendy Freedman.NOTE: StarTalk+ Patrons can listen to this entire ... Show More

43m 6s

Jul 2023

S26E85: Age of the Universe Reassessed // Astonishing Saturn // Growing Plants on the Moon

SpaceTime Series 26 Episode 85 *A retake on the age of the universe A new study suggests that the universe is actually 26.7 billion years old – that’s nearly twice as old as the 13.8-billion-year age previously believed. *New image from Webb reveals astonishing Saturn and its rin ... Show More

31m 48s

Sep 2023

The James Webb Space Telescope Is Fueling Galactic Controversy

We're entering a new era of astrophysics. The James Webb Space Telescope is helping scientists test existing ideas and models of how the universe was created—on a whole new level. This telescope is sending back images of galaxies forming under a billion years after the Big Bang—w ... Show More

13m 4s

Aug 2023

Mapping the universe

A rocket launch, super-massive black holes and ghost particles! This past week’s scientific findings are testament to how hard-at-work cosmologists and physicists have been seeking out the fundamental building blocks of our universe and the rules that govern it. Professor of Cosm ... Show More

35m 18s

Nov 2023

Cosmic Queries - Cosmic Cauldron (Re-release)

What would Isaac Newton think of today’s science? Neil deGrasse Tyson and comedian Chuck Nice answer a cosmic cauldron of Cosmic Queries. From dark matter, to what aliens look like, the size of the universe, we answer a multiverse of questions. This episode originally aired July ... Show More

45m 57s