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

Baleen whales don’t have teeth. Instead, they use baleen, a filtering system that lets the largest animals on Earth feed on ...

Killer whales, also known as orcas, are easily recognized by their stunning black and white appearance. These huge animals can reach up to 26 feet long and are actually the largest members of the ...

Add Yahoo as a preferred source to see more of our stories on Google. A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in ...