A close encounter with a tiger shark was caught on video off the North Shore of Oahu, Hawaii. Ocean Ramsey, a marine scientist and free diver, was having what she described as a normal day when ...

At different life stages, sand tiger shark teeth change in morphology. The shifting tooth shape might reflect changes in their diet. I am using microtomography (micro-CT) to image the teeth in 3D and ...

A tiger shark killed a Russian man swimming at an Egyptian beach filled with people Thursday — including the man’s own father, according to Russian media reports. A video circulating online ...

During the video Ms Ramsey remained relaxed and calm, despite the tiger shark peering its head full of spiked teeth out of the water. The International Union for Conservation of Nature has ...

Ocean Ramsey, a marine conservationist, says she's been swimming with sharks for so long, it feels like she's grown up with some of them. So when Queen Nikki, a 16-foot tiger shark, jumped out of ...