While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

The most recent census found 73 southern resident killer whales. Of those, 22 were observed to be in poor condition. Since ...

Every year, thousands of whales migrate to warmer waters along Australia's coastline. This year, one of them is white!

North Atlantic right whales are critically endangered. Now, they're unexpectedly showing up in the Gulf of St. Lawrence.

The whales give birth off the southeastern U.S. in the winter and spring and migrate north to New England and Canada to feed.

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

This is the third story in a series on Canada-U.S. cross-border measures to protect North Atlantic right whales. Yards from Herring Cove Beach on a crisp day in late March, a young North Atlantic ...

Scientists find that Aleutian Island passes and the northern Gulf of Alaska remain key feeding grounds for this rare whale Two North Pacific right whales photographed from the NOAA Ship Oscar ...

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.

There are several distinct traits that make mammals different from other animals, with the most significant ones being that ...

More than 75 North Atlantic right whales were spotted in waters off Maine and New Hampshire earlier this week, accounting for about 20 percent of the population of the endangered species. New ...

Expecting mothers travel from northern feeding grounds to this area to give birth. These waters are designated by the National Marine Fisheries Service as a right whale critical habitat.