Taking big risks in the hope of high rewards may be a fundamental part of our biological nature, the pigeon study has shown.

Scientists have shown what many dog owners have suspected - while some canines are joyfully optimistic about life, others have a tendency for gloomy pessimism.

The cause of the mysterious decline of the honey bee in the United States - and elsewhere in the world - may have been found.

One of Auckland Zoo's oldest residents, Snorkel the hippopotamus, was euthanised last night after her health deteriorated.

Up to 11 species of beetle may be introduced to NZ.

Coastal living may not be all it's cracked up to be.

Stephens Island is tuatara central, home to a staggering 30,000 - 50,000 individuals.

The killing of 14 endangered weka by a dog on Kawau Island has prompted the Department of Conservation to introduce DNA testing.

Scientists will use DNA profiling for the first time to count the critically endangered Maui dolphins.

Bridget Vercoe writes that Auckland Zoo's scheme is ill-conceived and unnecessary.

Conservationists are mystified by a sharp decline in numbers of the alpine animal called the ibex.

An orca that washed up dead near Whakatane has been buried in a nearby Maori cemetery despite researchers wanting to perform an autopsy.