Both scuba diving and cave diving provide great physical exercise. Scuba diving benefits your cardiovascular health and ...

Take a deep breath and dive below the surface with cave-diving experts and scientists in the video above ... allows scientists to gain a better understanding of the evolutionary history of life on ...

a manatee mother swims up to cave diver Klaus Thymann, who captured stunning footage and images of these endangered mammals living in a unique, under-explored habitat. Unfortunately, this manatee ...