NOVA
Ancient Earth: Birth of the Sky
Animation and science experts reveal how the blue sky came to be. (60 minutes)
Can't find the episode you're looking for?
UPCOMING EPISODES
Wed, 11/26 at 8:00 pm on Austin PBS HDTV
Revolutionary War Weapons
The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine. (60 minutes)
Thu, 11/27 at 1:30 am on Austin PBS HDTV
Revolutionary War Weapons
The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine. (60 minutes)
Tue, 12/2 at 6:00 pm on Austin PBS WORLD
Revolutionary War Weapons
The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine. (60 minutes)
Tue, 12/2 at 11:00 pm on Austin PBS WORLD
Revolutionary War Weapons
The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine. (60 minutes)
Wed, 12/3 at 7:00 am on Austin PBS WORLD
Revolutionary War Weapons
The military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world's first military submarine. (60 minutes)
Wed, 12/10 at 8:00 pm on Austin PBS HDTV
Ice Age Footprints
A look at what thousands of prehistoric footprints in New Mexico's White Sands National Park might reveal about the peopling of the Americas. (60 minutes)
Wed, 12/10 at 9:00 pm on Austin PBS HDTV
Hunt for the Oldest DNA
Scientists discover the oldest DNA ever found and reveal the genes of long-extinct creatures that once thrived in the Arctic. (60 minutes)