Just under the surface of the Pacific Ocean in the Solomon Islands is an active underwater volcano that's inexplicably ...

More than a fanciful shark-octopus hybrid featured in low-budget sci-fi films of the 2010s, the "sharktopus" has been spotted in real life - well, kind of. The sighting was not that of some mish ...

Hammerheads and silky sharks, to be specific - contentedly swimming around despite the sizzling water temperatures and biting acidity. Volcanic vents like these can release fluids above 800 ...

Simon Pierce, who has studied whale sharks globally, said he has photographed suspected mating scars on female sharks in St.