The earth as a planet - Carl Sagan's 1977 Christmas Lectures 1/6

The outer solar system and life - Carl Sagan's 1977 Christmas Lectures 2/6

Planets beyond our sun - Carl Sagan's 1977 Christmas Lectures 6/6

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

NASA’s Artemis I Mission Splashes Down in Pacific Ocean

The history of Mars - Carl Sagan's 1977 Christmas Lectures 3/6

The secrets of Einstein's unknown equation – with Sean Carroll

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

The most surprising discoveries from our universe – with Chris Lintott

Eight Wonders Of Our Solar System | The Planets | BBC Earth Science

Brian Greene and Leonard Susskind: Quantum Mechanics, Black Holes and String Theory

Mars after Viking - Carl Sagan's 1977 Christmas Lectures 5/6

3+ Hours Of Facts About Our Galaxy To Fall Asleep To

Solving the secrets of gravity - with Claudia de Rham

Space oddities - with Harry Cliff

Optogenetics: Illuminating the Path toward Causal Neuroscience

Fundamentals: Ten Keys to Reality | A Conversation with Nobel Laureate Frank Wilczek

The 1993 Bunyan Lecture: Carl Sagan - “Is There Intelligent Life on Earth?”

The quantum revolution - with Sean Carroll

OSIRIS-REx Asteroid Sample Return (Official 4K NASA Broadcast)

The Physics of Black Holes - with Chris Impey