The baleen whales began developing the long keratin sheets that enable filter feeding. That carried on until about 23 million years ago, when their rate of skull evolution slowed to a crawl. The ...

These whales' massive heads and jaws accommodate hundreds of baleen “teeth ... until ten years of age and give birth to a single calf after a yearlong pregnancy, populations grow slowly.

The first North Atlantic right whale mom and calf duo of the season were spotted in Cape Cod Bay heading into spring, the Center for Coastal Studies announced. "The first sighting of mother/calf ...

A North Atlantic right whale was sighted with a calf in Florida waters over the weekend. The 21-year-old whale nicknamed Platypus and her calf Cashew were spotted from shore near Ormond Beach in ...