Access to this video is a benefit for members through PBS Passport.
Back to Show
Watch Preview
NOVA
What Are UFOs?
Season 52
Episode 1
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.
- Airdates
- Wednesday Jan 14, 9:00 PM PST on PBS SoCal
- Thursday Jan 15, 2:00 AM PST on PBS SoCal
- Thursday Jan 15, 1:00 PM PST on PBS SoCal Plus
- Sunday Jan 18, 9:00 PM PST on PBS SoCal Plus
- Monday Jan 19, 1:00 AM PST on PBS SoCal Plus
- Monday Jan 19, 7:00 PM PST on PBS SoCal Encore
- Tuesday Jan 20, 3:00 PM PST on PBS SoCal
- Wednesday Jan 21, 2:00 AM PST on PBS SoCal Encore
- Wednesday Jan 21, 7:00 AM PST on PBS SoCal Encore
- Wednesday Jan 21, 1:00 PM PST on PBS SoCal Encore
- Saturday Jan 24, 6:00 PM PST on PBS SoCal Encore
Support Provided By
Unlock with PBS Passport
53:21
Follow the epic journey of dog domestication and see what science says about dogs’ love.
1:52:46
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
53:30
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Unlock with PBS Passport
53:25
Can new engineering techniques help prevent deadly bridge collapses?
53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Unlock with PBS Passport
53:32
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
53:22
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Unlock with PBS Passport
53:34
New technologies are promising a new renaissance in space travel.
53:23
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Unlock with PBS Passport
53:15
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.
53:51
Join scientists as they grab light from across the universe to prove quantum entanglement.