Orcas, or killer whales, are deadly and beautiful apex predators.

Researchers have uncovered why the formidable teeth of saber-toothed predators like Smilodon were evolutionarily advantageous ...

A new state law is now in effect that provides a 1,000 yard vessel buffer around endangered southern resident orcas in ...

Under a new law, Washington boaters must stay 1,000 yards away from southern resident killer whales (SRKW) at all times. The law went into effect on Jan. 1, the same day that many islanders spotted J ...

Tahlequah, the grieving mother orca, once again carries the weight of loss, embodying the emotional depth and resilience of ...

Climate change is occurring behind the scenes of a seemingly advancing world and its effects are felt in the Arctic.

In 2018, an orca mother refused to abandon her dead calf. Instead, she pushed its body for 17 days. Now she is doing it again ...

Dave Phillips, a scientist that helped to rewild Keiko, the orca who starred in "Free Willy," is working to help two other ...

The bowhead whale (Balaena mysticetus) is found in the icy waters of the Arctic. These are the longest-living mammals; some ...

The mother orca nudges her dead calf with her snout, draping it over her head and gripping its tiny fin with her teeth, to stave off the inevitable.

The southern resident killer whale, known as Tahlequah, has now lost another calf in what the Center for Whale Research called “devastating” news.

An endangered orca who carried her dead calf for over two weeks in 2018 is doing so once again following the death of her new ...