Experts found killer whales, bottlenose dolphins and striped dolphins had highest concentrations of PCB in their blubber
Scientists say a group living in the Araguaia River, Brazil has been isolated from other varieties for more than two million years
Those of us who are sickened by what’s happening can be part of the solution
Hundreds of dolphins are killed in a remote Japanese bay during hunting season. The town argues it is an important tradition, but conservationists maintain the bloody practice is inhumane
We like to think of ourselves as better than giving in to our animal urges
Taiji will continue to hunt small whales and dolphins despite project
From mountain climbing to golfing, here’s a trip for all levels of adventurer
Team of six bottlenoses will use impeccable hearing and sonar capabilities to mark devices dropped during conflicts in the region
New study shows that the mammals have the longest social memory of any non-human species
A £2,000 reward has been offered to trace suspects who killed a young dolphin in a hit-and-run boating incident.
What we love, we're not sure about, we're buying and can't wait for...
A circumnavigation of waters both tidal and metaphorical makes for a wondrous read
Ingenious use for an unwanted royal tribute – offload it on a passing tsar
Sudan says he's an Israeli operative – but his handlers say he's too easily distracted for that. Matthew Kalman reports on a spy thriller
Some dolphins used by the US Navy to track down mines will soon lose their jobs to robots – but they will be reassigned, not retired.
It began with a banana. In an effort to entertain his two children at breakfast one day, the graphic-designer-cum-photographer Brock Davis put the brain that has carried him through 17 years of creative thinking in the advertising industry into gear, and fashioned a section of the peel into a hat for the banana to wear. Cue delighted children – and a delightful new project for the man from Minneapolis to play with.