The southern resident orca population marked the turn of the year with both heartbreak and hope: the death of a newborn calf ...

Tahlequah, the Southern Resident orca who carried her dead calf for 17 days in 2018, is mourning the loss of another newborn, ...

Dave Phillips, a scientist that helped to rewild Keiko, the orca who starred in "Free Willy," is working to help two other ...

An endangered orca mother has been carrying her dead newborn calf on her snout for nearly a week around Washington’s Puget ...

The bowhead whale (Balaena mysticetus) is found in the icy waters of the Arctic. These are the longest-living mammals; some ...

With the state’s glaciers retreating at alarming rates, there is no time like now to trek, climb, paddle and fly to see them ...

The mother orca nudges her dead calf with her snout, draping it over her head and gripping its tiny fin with her teeth, to stave off the inevitable.

There appears to be new heartache for the orca nicknamed Tahlequah after researchers spotted her on Wednesday carrying her ...

Mr. Hanson said on Thursday that he did not know why the female calf, who lived for a few days during the last weeks of ...

On Christmas Eve it was confirmed she gave birth to a female calf, but a week later, researchers discovered the calf had died ...

In Wyoming, moose worry about wolves and grizzlies. In coastal areas of the Pacific Northwest and Alaska, moose have to look ...

This is the breathtaking moment a pod of killer whales was spotted in Newport Beach, California. Staff on a boat operated by Davey's Locker Whale Watching first sighted the orcas around 9 am on ...