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

It is thought that this giant snake lived in the ancient seas during the Eocene epoch, about 56 to 34 million years ago.

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

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

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

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...