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PBS Space Time

Is It Irrational to Believe in Aliens?

Video duration: 6:49Expires: 10/29/20Video has closed captioning.

Aliens! Could humans really be alone in this expansive universe? And if we're not, how come we've never made contact with other intelligent life? Everyone's thought about it; especially members of the scientific community. Join Gabe as he presents some of the most popular theories that scientists use to rationalize their support or skepticism of the existence of aliens.

Episodes of PBS Space Time38

Video thumbnail: PBS Space Time The True Nature of Matter and Mass

PBS Space Time

The True Nature of Matter and Mass

Are matter, mass, and time real?

8:34

The True Nature of Matter and Mass

8:34

Video thumbnail: PBS Space Time The Higgs Mechanism Explained

PBS Space Time

The Higgs Mechanism Explained

What is the Higgs field and why is it a fundamental part of our universe?

7:49

The Higgs Mechanism Explained

7:49

Video thumbnail: PBS Space Time How to Build a Blackhole

PBS Space Time

How to Build a Blackhole

Let’s build a black hole!

10:58

How to Build a Blackhole

10:58

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