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Why Haven't We Found Alien Life?

With millions of Earth like planets around sun like stars in our galaxy alone, why don't we see intelligent alien life? Or any other life for that matter? It gets especially weird when you factor in new scientific revelations that life on Earth occurred crazy fast! So if you want to help us theorize on the real reasons we haven't found alien life, you should watch today's episode of Space Time!
Season 2 Episode 7 Length 10:33 Premiere: 11/05/15

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Specials

Season 2 Episodes

The Many Worlds of the Quantum Multiverse
S2 E48 Length 11:10 Premiere Date 10/26/16

The First Humans On Mars
S2 E47 Length 06:18 Premiere Date 10/19/16

Are We Alone? Galactic Civilization Challenge
S2 E45 Length 06:19 Premiere Date 10/05/16

Life on Europa?
S2 E44 Length 09:33 Premiere Date 09/29/16

Self-Replicating Robots and Galactic Domination
S2 E42 Length 09:48 Premiere Date 09/14/16

Is There a Fifth Fundamental Force? + Quantum Eraser Answer
S2 E41 Length 08:21 Premiere Date 09/07/16

Should We Build a Dyson Sphere?
S2 E40 Length 10:14 Premiere Date 08/24/16

How the Quantum Eraser Rewrites the Past
S2 E39 Length 10:06 Premiere Date 08/10/16

Can We Survive the Destruction of the Earth?
S2 E38 Length 10:34 Premiere Date 08/03/16

The Quantum Experiment that Broke Reality
S2 E37 Length 10:27 Premiere Date 07/27/16

The Future of Gravitational Waves
S2 E36 Length 05:49 Premiere Date 07/20/16

Juno to Reveal Jupiter's Violent Past
S2 E35 Length 10:15 Premiere Date 07/06/16

Planck's Constant and The Origin of Quantum Mechanics
S2 E34 Length 11:02 Premiere Date 06/22/16

The Strange Universe of Gravitational Lensing
S2 E33 Length 09:42 Premiere Date 06/16/16

Is Quantum Tunneling Faster than Light?
S2 E31 Length 09:52 Premiere Date 06/01/16

Is an Ice Age Coming?
S2 E30 Length 12:10 Premiere Date 05/25/16

Anti-gravity and the True Nature of Dark Energy
S2 E29 Length 12:04 Premiere Date 05/18/16

What Does Dark Energy Really Do?
S2 E28 Length 09:50 Premiere Date 04/27/16

Why the Universe Needs Dark Energy
S2 E27 Length 09:33 Premiere Date 04/20/16

Will the Universe Expand Forever?
S2 E26 Length 13:10 Premiere Date 04/13/16

We Are Star Stuff
S2 E24 Length 10:38 Premiere Date 04/06/16

Will Starshot's Insterstellar Journey Succeed?
S2 E23 Length 08:51 Premiere Date 04/04/16

How Cosmic Inflation Flattened the Universe
S2 E21 Length 10:17 Premiere Date 03/23/16

Why is the Earth Round and the Milky Way Flat?
S2 E20 Length 10:48 Premiere Date 03/16/16

What’s Wrong With the Big Bang Theory?
S2 E19 Length 09:56 Premiere Date 03/02/16

Why the Big Bang Definitely Happened
S2 E18 Length 08:54 Premiere Date 02/24/16

LIGO's First Detection of Gravitational Waves!
S2 E16 Length 07:29 Premiere Date 02/11/16

Will Mars or Venus Kill You First?
S2 E15 Length 08:44 Premiere Date 02/03/16

The Origin of Matter and Time
S2 E14 Length 09:21 Premiere Date 01/27/16

When Time Breaks Down
S2 E13 Length 08:04 Premiere Date 01/13/16

The True Nature of Matter and Mass
S2 E12 Length 08:34 Premiere Date 01/06/16

The Higgs Mechanism Explained
S2 E11 Length 07:49 Premiere Date 12/16/15

How to Build a Blackhole
S2 E10 Length 10:58 Premiere Date 12/09/15

5 Ways to Stop a Killer Asteroid
S2 E8 Length 08:31 Premiere Date 11/18/15

Why Haven't We Found Alien Life?
S2 E7 Length 10:33 Premiere Date 11/05/15

Is The Alcubierre Warp Drive Possible?
S2 E6 Length 07:21 Premiere Date 10/28/15

Have Gravitational Waves Been Discovered?!?
S2 E5 Length 09:38 Premiere Date 10/22/15

5 REAL Possibilities for Interstellar Travel
S2 E4 Length 10:54 Premiere Date 10/15/15

The Speed of Light is Not About Light
S2 E3 Length 10:44 Premiere Date 10/07/15

What Happens At The Edge Of The Universe?
S2 E2 Length 07:43 Premiere Date 09/30/15

Does Dark Matter Break Physics?
S2 E1 Length 07:43 Premiere Date 09/23/15

Black Holes from the Dawn of Time
Preview Length 10:16 Premiere Date 01/25/17

Quantum Entanglement (The Bohr-Einstein Debate)
Preview Length 11:24 Premiere Date 01/11/17

Will the Universe Expand Forever?
Preview Length 09:51 Premiere Date 09/04/16

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