Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

At least 30 blue whales have been spotted in the waters of Loreto Bay National Park this season ...

Blue whales, the largest animals on Earth, have been spotted not far off the coast of Massachusetts.

What researchers spotted off Cape Cod and the Vineyard recently is something they almost never see in these waters.

Blue whales — the largest animals on Earth — aren't singing as much anymore, and that's got scientists concerned. A study published in PLOS analyzing six years’ worth of acoustic data collected from ...

The blue whale holds the title as the largest animal ever known to have lived on Earth. This video explores how big blue whales can grow, how they survive in the ocean, and what makes them such ...

Whale watching charter owners said they couldn’t remember a time over the last decade when blue whales, the earth’s largest mammals, showed up this late off Southern California. In recent years, their ...