NOVA
Ancient Earth Was a Hellscape
For millions of years, Earth was a fiery hellscape, inhospitable to life.
For millions of years, Earth was a fiery hellscape, inhospitable to life.
The "Ring of Fire" eclipse is coming. Seriously, don’t look directly at it.
Hundreds of millions of years ago, Earth was encased in ice. How did life survive?
Could a small mammal take down a dinosaur?
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.