What Are UFOs?
After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies.
Episodes
-
What Are UFOs?
S52 E1 - 53m 43s
After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies.
-
Extreme Airport Engineering
S52 E2 - 53m 40s
In New York City, a team of elite engineers and construction workers are on a mission to build the ultimate airport. Follow their ups and downs as they race to build a new, world-class LaGuardia on the site of one of America’s busiest aviation hubs.
Extras + Features
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Dino Birds Preview
S52 E3 - 29s
Why are birds the only dinosaurs still alive today? Rare fossil discoveries are revealing the secrets of bird evolution, telling the story of how some resilient feathered dinos became the vast array of colorful bird species that fill our skies.
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Area 51: UFO Sightings and an Infamous Government Cover-Up
S52 E1 - 2m 35s
For decades, rumors of alien spacecraft at Area 51 have captivated the public imagination. In what is now known as one of the most infamous government cover-ups, an absence of information fueled wild speculation. Discover how UFO stories may have served as a convenient smokescreen for secret testing of advanced military technology.
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Is the Government Hiding Information on UFOs?
S52 E1 - 1m 3s
The government does keep secrets about aerospace technology, but are those linked to UFO sightings? How much do they really know? With growing concerns about national security and more citizen sightings of unidentified objects in our airspace, the need to identify these unknown objects is greater than ever before.
-
What Are UFOs? Preview
S52 E1 - 30s
After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel the mystery of the strangest objects in our skies.
-
Extreme Airport Engineering Preview
S52 E2 - 30s
In New York City, a team of elite engineers and construction workers are on a mission to build the ultimate airport. Follow their ups and downs as they race to build a new, world-class LaGuardia on the site of one of America’s busiest aviation hubs.
Schedule
-
Image
NOVA
Extreme Airport Engineering
Thursday
Jan 30
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Thursday
Jan 30
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Thursday
Jan 30
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Thursday
Jan 30
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Sunday
Feb 2
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Sunday
Feb 2
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Sunday
Feb 2
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Extreme Airport Engineering
Tuesday
Feb 4
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Star Chasers of Senegal
Tuesday
Feb 4
1 Hour
Senegalese astronomer Maram Kaire investigates his nation's history of astronomy, which stretches back thousands of years. -
Image
NOVA
Extreme Airport Engineering
Wednesday
Feb 5
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Star Chasers of Senegal
Wednesday
Feb 5
1 Hour
Senegalese astronomer Maram Kaire investigates his nation's history of astronomy, which stretches back thousands of years. -
Image
NOVA
Extreme Airport Engineering
Wednesday
Feb 5
1 Hour
A team of designers, engineers and construction workers build a new world-class airport in New York. -
Image
NOVA
Star Chasers of Senegal
Wednesday
Feb 5
1 Hour
Senegalese astronomer Maram Kaire investigates his nation's history of astronomy, which stretches back thousands of years. -
Image
NOVA
Dino Birds
Wednesday
Feb 5
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Wednesday
Feb 5
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Thursday
Feb 6
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Thursday
Feb 6
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Thursday
Feb 6
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Thursday
Feb 6
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today. -
Image
NOVA
Dino Birds
Sunday
Feb 9
1 Hour
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
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