Collision Mountain Ranges

The Dawn of Plate Tectonics

Reconstructions show how some of the earliest animals lived — and...

A global temperature conundrum: Cooling or warming climate?

Could Volcanoes Power the World?

Rust villages of the deep: In Pele’s shadow, iron oxide, or...

Chilean earthquake causes icequakes in Antarctica

Early dino was turkey-sized, social plant-eater

Still hot inside the Moon: Tidal heating in the deepest part...

Ancient shellfish remains rewrite 10,000-year history of El Niño cycles

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