Under the surface of the ocean, "constellations" of towering subsea mountains dot the Earth – and they are teeming with ...

Every grade schooler knows that Australia’s Great Barrier Reef is the world’s largest. The stuff of Attenborough doc legend, it’s also one of Australia’s biggest draws, attracting 2.4 million ...

Whale sharks (Rhincodon typus) are the largest fish in the world and are endangered but are hard to study because they’re largely solitary creatures that roam great distances. There are only about 30 ...

Sharks, sea turtles, and a Vegas mermaid—dive into the wild side of the desert. Explore the wild, underwater world of Shark Reef at Mandalay Bay—where sharks, stingrays, and a famous sea turtle swim ...

Rosie knows the Lighthouse Reef Atoll like the back of her fin. She calls this atoll home and is a matriarch of the thriving population of Caribbean reef sharks (Carcharhinus perezi) living there. Her ...

Up to 158 blacktip reef sharks were documented during Thailand’s “Shark Watch Project” survey, which experts said they believe is a record number. Photo by Thailand’s Department of National Parks, ...

Ningaloo Reef is one of the best preserved reefs left out there. Tourism Western Australia Every grade schooler knows that Australia’s Great Barrier Reef is the world’s largest. The stuff of ...