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

Sun, 7/13 at 4:00 am on Austin PBS HDTV

Dino Birds

Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. (60 minutes)

Sun, 7/13 at 4:00 pm on Austin PBS HDTV

Dino Birds

Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. (60 minutes)

Tue, 7/15 at 6:00 pm on Austin PBS WORLD

Dino Birds

Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. (60 minutes)

Tue, 7/15 at 11:00 pm on Austin PBS WORLD

Dino Birds

Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. (60 minutes)

Wed, 7/16 at 7:00 am on Austin PBS WORLD

Dino Birds

Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. (60 minutes)

Wed, 7/16 at 9:00 pm on Austin PBS HDTV

When Whales Could Walk

Paleontologists uncover a whole new species of whale in a parched valley not far from Cairo. (60 minutes)

Thu, 7/17 at 3:00 am on Austin PBS HDTV

When Whales Could Walk

Paleontologists uncover a whole new species of whale in a parched valley not far from Cairo. (60 minutes)