This is a fossilized coral — one of dozens scattered across the Indian Ocean archipelago of the Seychelles. It is a piece of history, hidden in plain sight. It tells of a time 125,000 years ago ...

Evidence of symbiosis was detected in fossilized coral specimens (pictured) dating back to the late Triassic period. Today's coral reefs are under threat from warming sea temperatures that cause ...

Deep-sea coral fossils used by researchers to study carbon sequestration in the Southern Ocean 20,000 to 10,000 years ago. The Southern Ocean played a critical role in the rapid atmospheric carbon ...

The ammonoid (the round, snail-ish fossil) has been replaced by pyrite. Pyrite formation requires an absence of oxygen (or the iron would oxidize) in reducing conditions, usually acidic. Replacement ...

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