NOVA.

NOVA

What Are UFOs?

Astrophysicists and engineers look at evidence that supports the existence of UFOs. (60 minutes)

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UPCOMING EPISODES

Wed, 9/16 at 8:00 pm on Austin PBS HDTV

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Thu, 9/17 at 1:00 am on Austin PBS HDTV

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Sun, 9/20 at 3:00 am on Austin PBS HDTV

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Sun, 9/20 at 5:00 pm on Austin PBS HDTV

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Tue, 9/22 at 6:00 pm on Austin PBS WORLD

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Tue, 9/22 at 11:00 pm on Austin PBS WORLD

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)

Wed, 9/23 at 7:00 am on Austin PBS WORLD

The Battle to Breathe

The decades-long scientific quest that led to a life-saving treatment for cystic fibrosis. (60 minutes)