Male grey nurse sharks become quite excitable around their female mates, but they are terrible breeders. Find out why and see the their incredible mating ritual.

The Great Barrier Reef, one of the world’s most magnificent natural wonders, is “facing catastrophic damage.” That is ...

“The Channel was glassy and skies were overcast until 2 p.m. when some sunny spots began to open,” described Condor ...

A photographer in Hawaii has captured footage showing what appears to be a blacktip reef shark swimming just feet from shore ...