Up Next
Back to Show
NOVA
Arctic Sinkholes Preview
Colossal explosions shake a remote corner of the Siberian tundra, leaving behind massive craters. In Alaska, a huge lake erupts with bubbles of inflammable gas. Scientists are discovering that these mystifying phenomena add up to a ticking time bomb, as long-frozen permafrost melts and releases vast amounts of methane, a potent greenhouse gas.
Support Provided By
Unlock with PBS Passport
53:47
See how life made the leap to land, turning a barren landscape into a lush, green world.
Unlock with PBS Passport
53:46
How did life survive on a planet covered in ice from pole to pole?
Unlock with PBS Passport
53:47
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
53:31
Dive into the subconscious to see what’s really driving the decisions you make.
53:30
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
53:19
Investigate one of the most powerful volcanic eruptions in recorded history.
Unlock with PBS Passport
53:31
Follow scientists determined to save the critically endangered right whale.
53:31
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
53:31
Americans use ancient wisdom and new technology to fight extreme weather.
53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Unlock with PBS Passport
53:43
A team tackles the restoration of iconic Notre Dame Cathedral.
53:43
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.