For more than a thousand miles, a Southern Resident killer whale known as Tahlequah carried the body of her dead calf on a ...

For a second time, the world watched as Tahlequah, an endangered southern resident killer whale, struggled to keep her dead newborn calf afloat in the Salish Sea. But with Ottawa failing to take ...

A humpback whale has been successfully freed after becoming entangled in rope at a salmon farm off the Isle of Skye for 28 ...

The sight of an orca clinging to her dead calf for a heartwrenching reason turned out to be a way of coping with loss, just ...

Environmental groups are taking federal ministers to court in a push for them to recommend an emergency order to save ...

Sudden deaths among infants in the U.S. are rising, a new study shows. Researchers have found that the mortality rate of ...

The stories of salmon and orcas in the Pacific Northwest are linked. Their paths intermingle in a vast web of ecosystems and ...