A man is killed by a shark while surfing off the coast of Western Australia, in the fifth such attack in less than a year.

Red squirrel numbers on Anglesey have increased so much they are now appearing in people's back gardens, say conservationists.

Apple is returning its products to a green certification scheme a week after pulling out of the registry.

A Stirling researcher says she has found that wild chimpanzees use similar gestures to humans to communicate.

Brazilian police mount a big operation against illegal gold miners working in the Yanomami indigenous reserve in the Amazon rainforest.

Brazilians scientists are trying to determine what caused the death of about 500 penguins found washed up on the beaches of Rio Grande do Sul.