Now small blue creatures resembling melted plastic are appearing on Californian beaches—again. Smithsonian reports that ...

Beneath the land surface of the Bahamas, the underwater caves known as ... habitat for a completely different group of animals. On one dive into a blue hole on Great Abaco Island in the Bahamas ...

It hunted small land animals and freshwater fish, and could even hear underwater. Eventually the relatives of this ... These are called baleen whales, which include blue whales and humpback whales.