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NOVA

Is the Government Hiding Information on UFOs?

Season 52 Episode 1 | 1m 03s

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.

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Watch • 1:25:01
NOVA
The Deepfake Detective
Discover how deepfakes are detected and what the future holds for truth in the digital age.
Special: 1:25:01
Watch • 3:09
NOVA
These Birds Are Smarter Than You Think
Can these birds solve the puzzle and claim their prize?
Clip: S44 E20 | 3:09
Watch • 1:37:18
NOVA
Mind of a Fossil Hunter
Dive into deep time to discover how fossils form, the ocean's surprising origins, and more.
Special: 1:37:18
Watch • 0:30
NOVA
Human: Into the Americas Preview
Follow ancient humans’ journey into an icy and perilous new land.
Preview: S52 E15 | 0:30
Watch • 0:30
NOVA
Human: Building Empires Preview
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Preview: S52 E16 | 0:30
Watch • 0:30
NOVA
Human: Neanderthal Encounters Preview
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Preview: S52 E14 | 0:30
Watch • 0:30
NOVA
Human: Journeys Preview
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Preview: S52 E13 | 0:30
Watch • 0:30
NOVA
Human: Origins Preview
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
Preview: S52 E12 | 0:30
Watch • 5:08
NOVA
The Next Big Earthquake Could Sink Parts of the Pacific Northwest
A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.
Clip: S52 | 5:08
Watch • 1:57
NOVA
Can Birds Recognize Faces?
Crows remembered the face of a person they considered a threat—even across generations.
Clip: S44 E20 | 1:57
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NOVA
Human: Building Empires
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Episode: S52 E16
NOVA
Human: Into the Americas
Follow ancient humans’ journey into an icy and perilous new land.
Episode: S52 E15
NOVA
Human: Neanderthal Encounters
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
Episode: S52 E14
NOVA
Human: Journeys
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Episode: S52 E13
NOVA
Human: Origins
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
Episode: S52 E12
Watch • 53:27
NOVA
Ultimate Crash Test: Impact
Forensic science is put to the test after the first-ever staged multi-vehicle pileup.
Episode: S52 E11 | 53:27
Watch • 53:29
NOVA
Ultimate Crash Test: Countdown
A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.
Episode: S52 E10 | 53:29
Watch • 1:36:42
NOVA
Critical Condition: Health in Black America
After centuries of pseudoscience, researchers examine the causes of racial health disparities.
Episode: S52 E9 | 1:36:42
Watch • 53:41
NOVA
Secrets of the Forest
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Episode: S52 E8 | 53:41
Watch • 53:39
NOVA
Revolutionary War Weapons
Explore key military technologies in the American colonies’ fight for freedom.
Episode: S52 E7 | 53:39