NOVA
How Life Survived When Earth Was Covered in Ice
Hundreds of millions of years ago, Earth was encased in ice. How did life survive?
Latest in
NOVA
Sponsorship
NOVA
Rare Fossil Appears to Show Mammal Attacking Dinosaur
Could a small mammal take down a dinosaur?
NOVA
Your Brain: Perception Deception
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
NOVA
Killer Hurricanes
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
NOVA
Killer Volcanoes
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.