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, 6/24 at 8:00 pm on Austin PBS HDTV

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Thu, 6/25 at 1:00 am on Austin PBS HDTV

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Sun, 6/28 at 3:00 am on Austin PBS HDTV

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Sun, 6/28 at 5:00 pm on Austin PBS HDTV

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Tue, 6/30 at 6:00 pm on Austin PBS WORLD

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Tue, 6/30 at 11:00 pm on Austin PBS WORLD

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Wed, 7/1 at 7:00 am on Austin PBS WORLD

Ancient Desert Death Trap

A team of archaeologists researches the "desert kites," the stone megastructures across northern Saudi Arabia and southern Jordan. (60 minutes)

Wed, 7/1 at 7:00 pm on Austin PBS HDTV

Athens: Birth of Democracy

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government. (60 minutes)