A 40-foot gray whale carcass was found at Dockweiler Beach with bite marks from either sharks or killer whales.

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

Staff at Captain Dave’s Dolphin and Whale Watching Safari spotted a group of killer whales swimming near Dana Point, ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

For a second time, the world watched as Tahlequah, an endangered southern resident killer whale, struggled to keep her dead ...