SeaWorld publishes decades of orca data to help wild whales

The theme-park company SeaWorld has published new data from its captive killer whales - information that scientists say could help inform how they go about trying to save sick or stranded orcas in the Pacific Northwest and elsewhere.     

30-year-old orca dies at SeaWorld

Kayla, one of SeaWorld's oldest remaining orcas, has died after first showing "signs of discomfort" two days earlier, the chain of animal theme parks said.