Extraordinary scenes filmed for new documentary showing the marine mammals in their natural habitats
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
Survey of the nation's coastal waters reveals the first sighting this year of the giant marine animal
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...
An ordinary superwoman who broke the mould
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.
A dolphin has been washed ashore by storm Sandy which made landfall near Atlantic City, New Jersey on Monday evening. The dolphin could be seen squirming on Point Pleasant Beach. Animal rescue officials were called.
The giant tortoise's demise means his kind are extinct. Michael McCarthy pays tribute and asks which species is next
Crisis warning with global consumption of natural resources at record levels. By Michael McCarthy
Maritime scientists in Peru are trying to solve a mystery that has turned stretches of the country's beaches into a grim dolphin morgue.