A recent discovery by the National Park Service in the Kentucky Mammoth Cave National Park led the world one step closer to ...

A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef ...

A groundbreaking study of 7,000-year-old fossilized coral reefs has revealed how centuries of humans have dramatically ...

More extinction, but reef sharks in particular, with a global average decline of 63% in five main shark species living on coral reefs. Universal Images Group via Getty Images ...

A global shark census found in 2018 that the population of five main reef shark species, which are key to balancing the ecosystem of coral reefs, had declined 63%.

Tiger shark -> Green sea turtle ... (Scorpaenopsis oxycephala), closely resembles the reef's rocky, algae- and coral-encrusted bottom, where it lies in wait for crustaceans and small fish, ...

Tasselled wobbegong shark; All share the Outer Reef with tropical fish, stingrays, and a charismatic potato grouper. The experience is about an hour, with about 20 minutes of in-water time.