A widely publicized killer whale attack once seemed to explain why white sharks disappeared from a key aggregation site. Long-term tracking now suggests the reality is more nuanced. Killer whales (Orc ...

Free Willy actor Jason James Richter urges France to relocate captive killer whales Wikie and Keijo from Marineland ...

A female humpback whale who washed ashore in Newport Beach was washed back out to sea, but scientists were able to gather a wealth of information.

Officials say the whale could roll in the surf, posing a danger to beachgoers. Stormy ocean conditions are delaying removal as authorities assess the cause of death.

A massive dead humpback whale that washed ashore in Newport Beach earlier this week was towed out to sea Friday after ...

A Southern right whale gives a paddleboarder a boost with his fin in this amazing drone footage of the encounter.

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

Killer whales can scare white sharks away in the moment, but a 12-year study from South Australia shows that long disappearances from shark hotspots are often just part of the sharks’ natural rhythms.

Authorities are in a race against time to find a juvenile humpback whale spotted multiple times along the NSW and Victorian coasts, which is entangled in ropes.

Sightings of Antarctic orcas in Australian waters are very rare. A tour group in WA saw what appeared to be a pod of ...

Standing on the southern tip of the island at Dondra Head, where the Indian Ocean stretches endlessly in every direction, it is difficult to imagine that beneath those restless blue waves lies one of ...

Oman’s Environment Authority has issued a public warning urging people not to dive near orca whales (killer whales) after a video showing a man swimmi.