Carl Sagan's 1994 "Lost" Lecture: The Age of Exploration

Carl Sagan Archival Lecture Audio - 1977 Origin Stories Podcast

Quantum Fields: The Real Building Blocks of the Universe - with David Tong

Did the James Webb Space Telescope Change Astrophysics? | 2024 Isaac Asimov Memorial Debate

Michio Kaku: The Universe in a Nutshell (Full Presentation) | Big Think

Does Consciousness Extend Beyond Brains? The 2023 Holberg Debate, feat. Seth, Luhrmann, Sheldrake.

Coding the Cosmos: Does Reality Emerge From Simple Computations?

Our Universe and How It Works - with Jo Dunkley

Carl Sagan testifying before Congress in 1985 on climate change

Frank Wilczek, "The Universe is a Strange Place" - Ford/MIT Nobel Laureate Lecture Series 3/7/2005

Neil deGrasse Tyson Debates a Pluto Expert

SciCafe: Life the Universe and Everything with Neil deGrasse Tyson

Black Holes and the Fundamental Laws of Physics - with Jerome Gauntlett

The Universe: Explore the Alien Worlds of Outer Space *3 Hour Marathon*

The Physics of Black Holes - with Chris Impey

Carl Sagan Christmas lecture 2 - The Outer Solar System and Life

The Universe: ALIEN PLANETS and the Great Unknown *3 Hour Marathon*

Unintentional ASMR Carl Sagan 2 Deep Relaxing Voice Interview Phone Calls Greenhouse Arms Race

John Carlstrom | What Do We Know About The Big Bang?

Guide to Life, the Universe, and Everything - by Jim Al-Khalili, Part 1