The “surprise” birth of a gray nurse shark in Australia is good news for the endangered predator species. Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen ...

Shark researchers at Australia's University of Auckland were surprised recently to see an orange octopus perched atop a mako shark. They sent up their drone and captured a delightful if mystifying ...

Most sharks feed on fish or invertebrates. Of the hundreds of shark species in the world, only a handful are potentially dangerous to humans, as they pursue larger prey like seals and other marine ...

Animals hitch rides together all the time. Sometimes the relationship is mutually beneficial, while in other instances it’s parasitic. Every so often, however, researchers document a previously ...

The rare sighting, captured on video off the coast of New Zealand and shared by scientists affiliated with the University of Auckland, shows a Maori octopus riding on top of a mako shark, which is ...

The biggest, most formidable shark to have ever roamed the ocean may have been even larger than previously thought, according to a new study. The research, published Sunday in the journal ...