A rare glassy day on the Great Barrier Reef reveals one of the most incredible ocean environments imaginable. With no wind and perfect visibility, the reef comes alive with massive schools of fish, ...

A man who was attacked by a shark on the Great Barrier Reef has described the terrifying moment he realised he was being bitten.

SYDNEY -- One of the most impressive experiences you can have with wildlife kicks off with a shouted command. "Come on, come on, come on -- into the water," guide Georgia Clements yelled to her guests ...

Reef sharks are observed less frequently on Caribbean reefs that have high levels of diving activity and greater coastal development, according to new research published in the Journal of Applied ...