NOVA.

NOVA

Ancient Earth: Birth of the Sky

Animation and science experts reveal how the blue sky came to be. (60 minutes)

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UPCOMING EPISODES

Sun, 5/18 at 3:00 am on Austin PBS HDTV

Ultimate Crash Test: Impact

An unprecedented look at a multi-vehicle accident reveals insights about driver behavior and vehicle design that could save lives. (60 minutes)

Sun, 5/18 at 5:00 pm on Austin PBS HDTV

Ultimate Crash Test: Impact

An unprecedented look at a multi-vehicle accident reveals insights about driver behavior and vehicle design that could save lives. (60 minutes)

Tue, 5/20 at 6:00 pm on Austin PBS WORLD

Ultimate Crash Test: Impact

An unprecedented look at a multi-vehicle accident reveals insights about driver behavior and vehicle design that could save lives. (60 minutes)

Tue, 5/20 at 11:00 pm on Austin PBS WORLD

Ultimate Crash Test: Impact

An unprecedented look at a multi-vehicle accident reveals insights about driver behavior and vehicle design that could save lives. (60 minutes)

Wed, 5/21 at 7:00 am on Austin PBS WORLD

Ultimate Crash Test: Impact

An unprecedented look at a multi-vehicle accident reveals insights about driver behavior and vehicle design that could save lives. (60 minutes)

Wed, 5/21 at 8:00 pm on Austin PBS HDTV

Decoding the Universe: Cosmos

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)

Thu, 5/22 at 1:00 am on Austin PBS HDTV

Decoding the Universe: Cosmos

How discoveries over the past 50 years have revolutionized people's understanding of the universe. (60 minutes)