But before the ancient impressions were frozen in time ... and other organisms that roamed the Chazy Reef over 450 million ...

There is, however, evidence in the fossil record of reef systems facing rapid environmental change in the past. We are able to study past examples of rapid change from many time periods and regions.

Six generations ago, Europe's seas possessed vast oyster reefs. Oysters were found in their millions, clustered together in ...

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 ...

That is particularly true for the huge, ancient features of reefs known as boulder corals. Research suggests they will be a vital part of reef survival in a warmer world. Boulder corals (Porites ...

While the ancient reef's remote location has protected it from harm for generations, the group is concerned this wild place could be changed forever by a proposed industrial project slated for the ...