Great white sharks grow a whole new kind of tooth for slicing bone as they age
A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through…

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through…

Dolphins, whales and seals are highly social animals. Many live in groups, form long-term relationships, and…

For millennia, some of the world’s largest filter-feeding whales, including humpbacks, fin whales, and blue whales,…