When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

Rising mountain peaks and sharp rock formations cover the ocean floor, with corals, sponges, fish, and tons of sea creatures ...

They were covered by deep sea animals, including barnacles, brittle stars and predatory worms. To the team's surprise they found some species of coral had settled onto the buoys, including several ...

they are also the canaries of the sea, being very sensitive to small changes in the chemical and physical condition of their environment. Modern coral reefs — whether deep or shallow — are ...