· Discoveries Archive
The world before us
Dinosaurs, mass extinctions and the planet that came before this one.
AllWeird AnimalsOcean MysteriesDangerous NatureScience FactsSpace & CosmosHuman BodyMysteriesAncient EarthMind & IllusionsMicroscopic WorldPhysics Weirdness
Ancient Earth
The 60 Million Years When Wood Was Immortal
For millions of years, dead trees simply piled up on the ground because nothing on Earth knew how to eat them.
Ancient Earth
The Golden Crust That Is Too Deep to Reach
Earth is hiding enough gold in its core to coat the entire planet in a knee-deep layer of precious metal.
Ancient Earth
The Top of Mount Everest is an Ancient Ocean Floor
The highest point on Earth is covered in 400-million-year-old sea creatures stuck in the limestone.
Ancient Earth
T. rex had feathers (and we have proof)
The king of dinosaurs was, technically, an oversized angry bird.
Ancient Earth
Why the megalodon really went extinct
A 60-foot shark didn't die from a meteor. It starved.
Ancient Earth
Earth had purple plants before green ones
For a billion years, the planet probably looked like Mars in lavender.