A newborn killer whale calf spotted off the southern coast of WA could be one of the youngest ever seen in Australian waters.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Tahlequah, the ...

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 ...

An endangered Pacific Northwest orca that made global headlines in 2018 for carrying her dead calf for more than two weeks is doing so once again after the death of her new calf, another sign of ...

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

Maybe the story of the orca mom and her dead calf spoke to me when it made headlines six years ago because I was swimming ...

The public is encouraged to document orca sightings, which could help find the 2-year-old female calf last seen in fall, 2024 ...

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

The federal measures put in place to protect the endangered orcas since the last ministerial assessment in 2018 have proven ...

The bittersweet New Year’s Day visit to central Puget Sound by J and K pods revealed both a new, apparently healthy calf had ...