Model makers and engineers working for the BBC have created a mechanical shoal disguised as 14 different types of sea creature – each capable of filming underwater.
A dolphin is being monitored by a marine rescue charity after chasing fish miles up a Welsh river and arriving into English waters.
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
Forget minnow opponents – for several of today's Lions it's their last real chance to impress Gatland and earn Test place
"I feel a whole lot better," maintains a hoarse Wayne Coyne, apologising for being too ill to play the previous day's cancelled concert before informing us that "being sick is pretty petty" compared to the tornado disaster in Oklahoma, his home state. It is. He goes on to admit that "this is kind of a ridiculous event". It's certainly an odd event.
An ordinary superwoman who broke the mould
Ingenious use for an unwanted royal tribute – offload it on a passing tsar
Telegraph blogger Tim Stanley, a conservative historian of the US, has taken issue with the American Catholic college Fordham University over their decision to include bioethics professor Peter Singer in a panel discussion. Especially since Fordham "effectively barred the conservative, pro-life pundit Ann Coulter from speaking on campus" - a woman who is, presumably, more to Stanley's tastes.
The first official register of what lives in the oceans has revealed that the marine environment may be home to as many as a million species of animals and plants, but only about a quarter of them have actually been formally described.
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
Scientists are arguing that dolphins are so clever they should be treated like humans. But why stop there? Simon Usborne salutes the smartest species
Marine biologists and philosophers have joined forces to support a controversial declaration of rights for whales and dolphins because their astonishing intelligence and emotional empathy makes them equal to humans.
Anna Calvi, Ghostpoet and Leslie Feist all made great albums this year. Here, they and others pick the music that rocked their year
Activists, angry at a killer whale's continuing captivity in a Florida theme park, are off to court