Articles for tag: Climate Clues, Earth History, fossil reefs, Geological Record, Paleo climate

an underwater view of corals and sponges in the ocean

How Ancient Coral Reefs Record Earth’s Climate Millions of Years Ago

Suhail Ahmed

Wave-battered and sunlit, ancient coral reefs look like ruins – but they’re anything but silent. Locked inside their stone-white skeletons are timelines of temperature swings, ocean chemistry jolts, and sea-level pulses that outlast empires. The mystery is simple yet profound: how do we reconstruct climates that no instrument ever measured? The answer lives in the ...