Interestingly, each of these communities is characterized by its own unique set of behaviors, leading biologists to debate the idea of orca cultures. Beyond differences in pod size, range and food ...

Video: Heartbreaking timelapse video shows 'world's loneliest orca' staring motionless at the gate of his tank 'for 24 hours straight' at Argentinian aquarium Heartbreaking footage shows a captive ...

A crowd of tourists was sprayed with faecal matter, highlighting a 'disgusting' reality for the captive whales.

A solitary killer whale, or orca, has been filmed hunting and killing a great white shark in an "astonishing" attack. Scientists said it was "unprecedented" and showed the exceptional predatory ...

Researchers in the Stanford Radio Glaciology lab use radio waves to understand rapidly changing ice sheets and their ...

Older, "post-menopausal" orca mothers protect their adult sons from fights, according to new research. The study examined tooth rake marks on the animals' bodies - inflicted in confrontations with ...

ABOARD A BOAT IN THE STRAIT OF GIBRALTAR — From the surface, the azure waters seem calm and inviting in this narrow patch ...

For our inaugural Quick Takes column, we asked Molly about plants, pavers, and her personal preferences about just everything. Photography courtesy of ORCA. Above: Molly has a background in organic ...

A newborn orca whose addition to the struggling population of southern resident killer whales was celebrated just a month ago now appears to be in poor health. We apologize, but this video has ...

Climate Lab is a Seattle Times initiative that explores the effects of climate change in the Pacific Northwest and beyond. The project is funded in part by The Bullitt Foundation, Jim and Birte ...