Watch as we explore shark species that dominate the ocean’s depths, growing to massive sizes and ranking among the largest marine creatures on Earth.

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

Scientists in New Zealand have discovered what may be the biggest example of the species ever recorded—at more than 13 feet ...

A towering, centuries old sea creature has been found rising from the seafloor off New Zealand, its branches forming a living ...

For a long time, the idea of giant animals has mostly been tied to dinosaurs on land. Oceans feel different, quieter, even ...