The sighting excites the researchers, but it also sounds alarms. Scientists stunned after whales make extraordinary ...

Feedback is delighted to hear from a reader who proposes an ingenious new unit of data – but we have some quibbles with the ...

What is known is that they have a relatively stable supply of deep-swimming cartilaginous fish — such as sharks or rays — ...

In 2018, a study made headlines when it found that a captive orca, or killer whale, was able to imitate human speech. The ...

Tourists on a whale-watching boat off Australia witnessed five families of killer whales attack 150-ton mammal.

A RARE video captured the brutal moment a pack of 60 killer whales hunted down and devoured the world’s biggest animal in a feeding frenzy. Tourists off Australia's Bremer Bay watched as the ...

He will grow to be five metres long, be able swim up to 100 miles a day and dive to 500ft - but this orca will spend all his life in what environmentalists call a "concrete coffin". Morgan, the ...

The orca calf belongs to a family of transient killer whales, or “Bigg’s” killer whales, and was first spotted in the Salish Sea on Thursday, March 20, between Port Townsend and the San Juan ...