A young humpback whale that died, presumably, after it became trapped in a commercial mussel-farming line off Long Beach, Ca.

The loss of Tahlequah’s new calf (“ Orca Tahlequah’s new baby dies ,” Dec. 31, Climate Lab) and her all-too-familiar grief are heart-wrenching. It would be easy to despair and feel powerless. But ...

In 2018, an orca in the Pacific Ocean’s Southern Resident population named Tahlequah refused to let go of her dead calf, ...

A white Risso’s dolphin known to frequent Monterey Bay looked especially luminous Saturday during an extraordinary Southern ...