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

The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

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 ...

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 ...

The month of December brought the endangered Southern Resident killer whales sadness and joy.

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

As the female orca known as Tahlequah once again carries the body of a dead calf through waters near Vancouver Island, for the second time in seven years, researcher Barbara J. King says there's no ...

The dorsal fin of the orca known as J35, or Tahlequah, is seen above the ocean surface as she pushes her dead newborn calf ... it would take for J35 to carry her calf in such a manner. " ...