NOVA
Giant Prehistoric Fungi Once Ruled the Earth
Fossils show that millions of years ago, 20-foot-high fungi grew on Earth.
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Ancient Earth Was a Hellscape
For millions of years, Earth was a fiery hellscape, inhospitable to life.
NOVA
What to know about the “Ring of Fire” Eclipse
The "Ring of Fire" eclipse is coming. Seriously, don’t look directly at it.
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?
NOVA
Rare Fossil Appears to Show Mammal Attacking Dinosaur
Could a small mammal take down a dinosaur?