Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully aquatic the University of Michigan Museum of Zoology reports.

For tens of millions of years, whales have been a part of the oceans. Because of this, it would be easy to believe that whales evolved from aquatic creatures as the oceans warmed and became more ...

The oceans are thought to be where life started but about 50-million years ago, something incredible happened: some mammals found their way back into the water. NOVA is available to stream on pbs.org ...

Discover interesting facts about whales, how big they can get, and how they track down their prey. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They all belong to the Order Cetacea which is the group of sea mammals that ...

Every year, gray whales embark on one of nature’s most epic migration journeys. Here’s what we know about it, according to ...

Humpback whales are teaching each other a feeding technique called bubble netting, and it's helping a Canadian population recover from whaling.