Up Next
Back to Show
NOVA
Giant Prehistoric Fungi Once Ruled the Earth
Today, plants like trees can grow very tall, while fungi remain close to the ground, with most of it hidden underneath. But millions of years ago, some fungi were were 20-feet-tall, towering over Earth’s landscape.
Support Provided By
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
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.
53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Unlock with PBS Passport
53:23
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.