Footage shows orca trying to "prey share" with boaters.

A closely watched orca in the Pacific Northwest just added a new member to her family. Researchers with the Center for Whale Research say that J35—better known as Tahlequah—has given birth to a male ...

The Center for Whale Research reported a new orca calf sighting in Washington. Here's what we know.

A beautiful scene unfolded off the coast of Los Angeles as whale watchers on drones scouring the ocean stumbled upon a massive killer whale floating through the water.

More than 1,600 animal and plant species in the United States are listed as endangered or threatened under the Endangered ...

There’s good news for the critically endangered Southern Resident killer whale (SRKW) population, a new orca calf has been born and appears to be healthy.

A new male orca calf has been spotted with Southern Resident J35, marking her sixth documented calf. Researchers say the ...

Add Yahoo as a preferred source to see more of our stories on Google. A pod of Orcas (Orcinus orca), also known as Killer Whales, feeding, in the Atlantic Ocean. There is a small baby orca amongst ...

The approach was tested on other specimens, including Lulu, a female orca found dead near Scotland's Isle of Tiree in 2016, ...

The endangered Southern Resident killer whale population now sits at 76, showing it has grown by two, but more needs to be ...