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 ...

One group of coral-like sea organisms in particular, called bryozoan, shows this kind of pattern. The well-preserved fossil record of bryozoans shows that one species first appeared about 140 ...

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 ...