Earth Matters

The ancestor of all known life was a microbe that ate hydrogen from deep-sea volcanoes

White dwarf discovered that blasts a strange ray beam at companion star

World's deepest 'blue hole' discovered in South China Sea

Battered mangroves find reprieve in Sri Lanka with new conservation plan

Meet the 'sister clones' of Dolly the sheep

Colorado kids help launch world's largest sport rocket

Kilauea's lava finally reaches the Pacific

Mr. Hawk is ready for his close-up

Bumblebees coax pollen from flowers with a secret 'knock'

This beautiful deep sea purple orb has scientists baffled

Deep-space astronauts train under the sea

Famed 'Shawshank Redemption' tree has fallen

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